Upgrade X3.9 to Tiger

I have read the earlier threads. I put OS X Tiger in to the eMac. Clicked to install. It rebooted. I then got the "preparing installation" box with moving diagonal blue lines. The lines stopped moving and the whirring noise stopped.
When I go to the apple to check out the system software, it goes to the apple support on the internet!
What do I do?

Hello Ngill,
Well meeting the minimum RAM requirements will certainly help things
Is there enough free space left on that drive? That will also cause similar issues.
Click once on the hard drive icon, then hold down the  key and then hit i. (+i)
Capacity XX
Available XX
Used XX
Post back with your values of XX
Regards.
Ian.

Similar Messages

I have recently upgraded my iBookG4 from Tiger to Leopard 10.5.8 and find my Bluetooth USB adaptor no longer connects. The Bluetooth pane says inactive. Does Leopard require USB 2.0. I've had the adaptor for some time so may be USB 1.0

I have recently upgraded my iBookG4 from Tiger to Leopard 10.5.8 and find my Bluetooth USB adaptor no longer connects. The Bluetooth pane says inactive. Does Leopard require USB 2.0. I've had the adaptor for some time so may be USB 1.0

Bluetooth icon on menu bar shows bluetooth off. When opening bluetooth preferences it shows the devices I've connected previously,( my mobile phone), and other devices I've attempted to connect but not very successfully: my iPhone and MiniMac. The bluetooth dongle in the USB port shows a continual blue light but does not react and the iBook does not recognise that it is there. There is absolutely no reaction when I try to pair my mobile phone, which I've done successfully before upgrading to Leopard, either by the iBook or the mobile phone.
I assumed that Tiger was not bluetooth compatible with the iPhone or MacMini running SnowLeopard and hoped by upgrading to Leopard I could achieve some file transfers between the three devices (iBook, iPhone and MacMini)

Upgrading to Leopard From Tiger for MacBook Pro

I am currently using a MacBook Pro with the following specs:
Model Name: MacBook Pro 15"
Model Identifier: MacBookPro1,1
Processor Name: Intel Core Duo
Processor Speed: 1.83 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 2 MB
Memory: 1 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP11.0055.B08
SMC Version: 1.2f10
Serial Number: W8613HYEVJ0
Sudden Motion Sensor:
State: Enabled
====================================
I have read about the new features in Leopard and would like to have them. At the same time I have read about dissatisfied user reviews about Leopard, mainly from non-Intel based Mac users. So I started this topic hoping to get an answer whether it is worthwhile for me to upgrade to Leopard as soon as possible, or wait til Apple releases more patches for Leopard to iron out the problems?

Sorry about the complexity, but my purpose for the work I did, and the way I did it was to safely upgrade a nicely running Tiger installation to Leopard, with minimum downtime incase things went badly.
The MBP internal drive that Apple uses is only 5400RPM and can't transfer data to boot the operating system or applications as fast as almost any drive in a PowerMac. Even with the ram maxed out, I was not getting all the performance from Tiger that a comparable PowerMac with the same CPU and video could get. Almost all modern PC's and Macs use 7200RPM (or faster) drives which can access and transfer data about 25% faster.
I decided to install Leopard to an external FW800 drive. I used an external drive because I didn't want damage my perfectly good running Tiger installation on the Laptop. I used FW800 because it is presently the fasted port on the Mac that supports booting. eSATA cards are available, but none of them guarantee booting.
I had already tested running applications from both drives by copying the WinXP hard drive file for Parallels and timing the launch from both drives. The external drive was at least 25% faster to boot Windows, and launch other large programs like Photoshop and GoLive.
So, I bought a 500GB newerTechnology miniStack V3 FW800/USB2/eSATA drive. This covers all the bases, Mac and PC, and will be useful for many purposes over the coming years. Who knows, Apple may support booting from eSATA on my next Mac and this drive can run even faster.
I installed Leopard to the new drive a couple of times. First, a clean install with none of my files transferred. This worked perfectly as far as all the hardware compatibility, and applications including TM worked perfectly.
Then I installed Leopard again and imported my applications and settings. This led to a couple of problems that were fixed with a couple of software updates and I fine tuned TM to a degree.
During the next 2 or 3 weeks, I only had to boot back to Tiger on the internal drive 3 times (out of the office).
Once I had a seemingly nice running installation of Leopard with all the updates and Time Machine tested as working well, I decided to clone my old Tiger installation onto an older slower USB 2 drive by using SuperDuper. I booted off of the clone to make sure it was good to go and then set that drive off to the side. It will get used for other projects in a few months, so no money wasted.
I installed Leopard onto the internal drive and imported my settings and files from the external drive. I made sure the system runs and the applications and files I need are available while out of the office.
What I ended up with, is a significantly faster Mac when working in the office with a second monitor helping the workflow, and a fresh, tested Leopard installation running Parallels and WinXP while on the road. When I bring the laptop back in from a field visit I boot from the internal drive and run TM if there has been many changes, then reboot back onto the external drive to do my normal work. I only leave the office with this MBP a day or so a week, and do almost all of my production work at the office on the faster drive.
Win/Win - if you need to spend money for an external drive, get the most out of it you can. In this case, I was also able to ensure that if my MBP is stolen, or hacked while in the field, my personal and financial records would not be on the Laptop.
OK, fingers tired...

I want to upgrade my Imac from tiger 10.4.11 to Mac OS 10.6 Snow Leopard. What is the best way to do this.

I have just purchased an iphone 4 and it needs me to have the latest itunes on my computer. I have not upgraded by computer for some time and thought this is probably the time to do it. My computer is an imac intel with Tiger 10.4.11. I want to upgrade my Imac from tiger 10.4.11 to Mac OS 10.6 Snow Leopard or higher. What is the best way to do this? Appreciate any help as I am out of practice. I used to be an old hand at this, but things have moved on since I didn't upgrade or use my computer as much!

Catherina wrote:
... What is the best way to do this?
The best way, really the only way, is to purchase Snow Leopard.
Online (UK): http://store.apple.com/uk/product/MC573/mac-os-x-106-snow-leopard
Elsewhere: call the phone number in the Apple Online Store.
Apple's price is $19.99, £14.00, €18.
Snow Leopard is not available to download from any legitimate source.
Once you install Snow Leopard, upgrade iTunes to version 10.7 or the latest, iTunes 11.
iTunes 10.6.3 is the last version of iTunes to support Mac computers with Mac OS X 10.5.8 with either Intel or PowerPC processors, but since you have an Intel iMac, the best solution is to purchase Snow Leopard. Leopard is no longer available from Apple and prices from aftermarket vendors can be unreasonably high.

Why upgrade from Panther to Tiger on G4 iMac?

I have two iMacs. I use a G5 recently upgraded from Panther to Leopard 10.5.5. My wife has a G4 with Panther 10.3.9.
Now that I have Leopard I have a Tiger install license available.
Are there good reasons to upgrade my wife's G4 to Tiger?
She uses it heavily for e-mail, internet, and MS Word.
She's networked to my G5 through Airport and we use printer sharing and file sharing.
Her G4 works great, but I'm wondering about security issues.
Comments?
-Bob

Correct me if I'm wrong but I think Apple is still releasing Security updates for Panther too, isn't it?
I think some of the Panther software is starting to show its age limitations for Internet capabilities, and things like iTunes for all the new iPods, etc. On one hand if you're not actually having problems then my feeling is an old computer best runs software designed for it. On the other hand I am not sure you would lose any functionality if you did upgrade. I think most Panther applications run on Tiger, the system requirements are pretty similar. It's not like when you upgrade to Leopard that you suddenly lose Classic support and it requires (demands?) a faster processor. From my personal perspective upgrading to Leopard really makes a big difference in capabilities both ways and may even be a negative upgrade if you run old software the way I do. Upgrading from Panther to Tiger didn't have any downsides and had several upsides in terms of software is still being brought out for Tiger.
[Mac OS X 10.4 Tiger system requirements|http://docs.info.apple.com/article.html?artnum=301341]
[OS 10.3 Panther requirements|http://docs.info.apple.com/article.html?artnum=106163]

Upgrading from Panther to Tiger. Is it worth it?

Hi there. I have been debating this in my head for quite some time. It is worth upgrading from Panther to Tiger? What are the benefits?
Thanks,
dave

Hi dave!
If you do decide to upgrade, Tiger is available for purchase at The Apple Store (US).
Jaguar and Panther, are no longer available directly from the Apple Online Store, as Tiger 10.4.x is the most up to date OS.
A Full Retail Version of the Tiger Install DVD, can be purchased rather inexpensively, at some online Apple retailers, Amazon, eBay, AppleRescue, (as cornelius mentioned) etc.
Be sure not to purchase grey, upgrade or machine specific CDs or DVDs.
Additional info in these links.
Using OS X Install CDs/DVDs On Multiple Macs
What's A Computer Specific Mac OS X Release
Software Update, Upgrade: What's The Difference?
Once Tiger 10.4.x is installed, you can use the PPC 10.4.8 Combo Update, to upgrade to the most up-to-date version.
Tiger System Requirements
Mac Model Compatibility & Requirements For OS X
Additionally,
"Tiger ships on a DVD, but if your Mac doesn’t have a built-in DVD-ROM player, you’ll need CD media. When you buy Mac OS X Tiger, you qualify to purchase Tiger CDs for only $9.95."
Download The Order Form Here. Media Exchange Program
Shop Carefully, Examine All Documentation, And Good Luck!
ali b

Upgrade from Jaguar to Tiger

Can I upgrade directly from Jaguar to Tiger or do I have to upgrade to Panther and them upgrade to Tiger. I was running Tiger, had issues and had to erase hard drive and do a reinstall with Jaguar as I could not load Tiger direct to my G3. Thanks

Hi MLM333!
If you were succesfully running Jaguar 10.2.x, chances are, your Firmware was already updated at some time.
Open your System Profiler.
Click on Hardware.
Do you see Boot ROM Version: 4.1.9f1?
If so, the Firmware is updated.
Also, you wrote "Tiger would not install I guess since there wasn't an earler version of X to upgrade."
Does the Tiger install DVD, that you used to upgrade, look like THIS ONE?
If not, that could be part of your problem. You may have upgrade or machine specific discs.
More info here Tip:Using OS X Install CDs/DVDs On Multiple Macs.
Good Luck!
ali b

Having problems upgrading from Panther to Tiger

Hi there!
I'm new to this place, but very desperate to find answers. I have been trying to upgrade from panther to tiger for the past week and have gotten a mess. I have to restore my old panther system after a panic kernal while trying to install tiger. I have tried to upgrade, install and archive and erase and install tiger and the same keeps happening: after 30-30% installation of essentials, I get a "try installing again" message and immediately goes to a blank blue screen. I have to reboot from my eDisk on the external hd and re-install my old system. I've done EVERYTHING I can find on the web and in the install suggestions. Everything has been updated (firmware, sofware, etc.), I tired disconnecting external devices except the keyboard and the external dvd I need to install and still the same thing...over and over and over!
So, now I'm down to the fact that I need to install CDs (internal) instead of DVD off the external drive. However, when I went and downloaded the form for the exchange the Tiger versions listed (MA453Z/A, MA454Z/A) do not coincide with the version I purchased (M96397/A). So I'm trying to figure out what this version is that I purchased and if it has anything to do with my big install mess!
So, any ideas out there? Glad to hear your input!

Call 1-800-MY-APPLE WRT media exchange program and the DVD version you have.

Be carefull when upgrading from Panther to Tiger

If you choose to upgrade from Panther to Tiger by using the Erase and install option on the Tiger DVD install disk, your XServe RAID won't mount. The problem seems to be that the driver for the RAID won't be updated in the process.
The solution for me was (by advice of Apple Support) to reinstall Panther. My RAID came up fine and I then did a upgrade to Tiger using the update and install.

Mattur:When I restart to install the OS, it goes into a Kernel Panic and tells me to restart.I take it to mean that you mean you put the install disk and open it and at the prompt you restart, and it goes into the kernel panic. I notice too that you sayI can reinstall Panther with the disk the computer came with , but I can't install Tiger..In other words there is a problem is with the Tiger disk.
Are you using a Full Retail Version of Tiger? Computer specific versions or update versions will not work.
If you are planning to install Tiger check out System Requirements to be sure your computer complies.
Good luck.
cornelius

HT1338 How do I upgrade Mac OS X Tiger?

How do I upgrade Mac OS X Tiger?

Note the 867 Mhz or higher (1 Ghz is higher) is necessary for 10.5.
Note 10.5 also gets rid of Classic, the compatibility for Mac OS 9.
Note 10.6 to 10.6.8 can be upgraded to 10.7 or 10.8 as long as you have a Core2Duo minimum. 10.7 or later are not compatible with Rosetta, the Mac OS X tool that lets pre-2006 software run on newer machines. For more on each, see these tips on 10.4, 10.5, 10.6, 10.7, and 10.8.
If you meet the requirements after purchasing the 10.6 installer CD.
10.4.4 through 10.5.8 can be upgraded directly to 10.6.3 to 10.6.6 to 10.7 to 10.7.5
10.4.4 through 10.5.8 can be upgraded directly to 10.6.3 to 10.6.8 to 10.8 to 10.8.4
10.7 & 10.8 are separate purchases, and can be downloaded from the Mac App Store once you are at 10.6.6 or 10.6.8 minimum depending on where you are at.

Login "Loop" issue after upgrading to Leopard from Tiger-iBook G4

Hi Guys,
I've the same login "loop" issue as described in *Apple KB article #306965* only on an iBook G4, unfortunately the solution offered in the KB article does not help.
There is one slight variant being that the user desktop appears for a second or two after the blue screen following login before it returns (loops) to the login window. It happens on all (2) user accounts.
The interesting thing is it doesn't occur on either account when booting in 'safe mode'.
Apart from deleting these accounts and saving/transferring the data are there any other ideas, suggestions or solutions?
Regards,
BB

Did a clean install, cloned the HD with SuperDuper and then used Mig. Asst. to restore data back to the original HD. All now OK.
A & I was done in the initial upgrade from Tiger.
Cheers,
BB

What is the BEST way to upgrade from Leopard to Tiger?

My current set-up is noted below. The main "Macintosh HD" is 250 GB's in size and is fairly filled up with programs and plug-ins. (I own Logic Studio 8 and Final Cut Pro Studio 2, as well as Adobe's CS4 Web Premium Suite.)
Prior to doing the upgrade from Tiger to Leopard, I wish to ensure that I get back to my current set-up should any problems arise. Off hand, I can think of a couple of options to chose from to ensure a proper backup :
1) Cloning the current disk drive on another drive in the Mac Pro prior to the upgrade.
2) Purchasing a new, larger disk drive for the Leopard upgrade and safely storing the original drive containing Tiger.
Maybe there are more ways to upgrade from Tiger to Leopard with a dependable "back-up"??
No matter how I ensure a back-up of my current drive, I will install Leopard as a clean install.
What would be the BEST way to do the upgrade with proper back-up?
Thank you in advance for your time and input.
Ted

I suggest the following:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

+ 2 hour upgrade to Leopard from Tiger on Brand New imac 20"

Forgive my upcoming ignorance as this is my first Apple Computer and I know very little about Apple overall but I know a LOT about PCs and Windows.
I just purchased an imac, 20" Intel 2ghz Core Duo, LAST NIGHT.
From out of the box, to plugging in the computer and peripherals, to getting into Tiger for the first time and putting in the Leopard upgrade disk.
Is 2+ hours normal to do this upgrade.. this upgrade took FOREVER. I've installed many operating systems on PCs, mind you I'm installing Windows but it's never taken me 2+ hours to install an Upgrade to an OS on a reasonably fast machine. I've installed / upgraded linux in less time.
I can't believe this is normal and have some concern as to there being an Issue with the Combo Drive or something else?
There's no lights to indicate disk activity or anything during the installation, this is something I'm quite used to in the PC world, to be able to tell if the computer is accessing the Hard Drive or the CD/DVD drive with little lights or even noise. The only noise I heard was scattered disk noises and a random spin up of the CD Drive every so often.
The only visual indicator on the screen was the progress bar during the installation with a Time indicator that seemed to be having as much difficulty as I was in figuring how long this should take. Frequently it would jump from 1 hour 40 minutes to as much as 2 hours and 50 minutes estimating installation time.
Any experts here have any insight on this? Is this normal? Am I missing something here... I would hate to endure another upgrade or install that will be this painful in the future.
Thanks for your input and time on this!

Promomag wrote:
Ah yes, I remember 95, infact, I did install this version from floppy, it was 27 floppies if I remember correctly.... at least I was doing something if it took just as long, so I don't think that install was as agonizing as this. Thanks for the memories.
C'mon though... what's up with not having any indication that the computer is doing anything at all while it's installing.... Couldn't apple make the little Apple logo on the front blink or something when there's disk activity. Seriously, I like that the Mac is quiet, but I don't like having to put my ear to the side of the case to hear if it's doing anything. If I hear the cd whiring or the disk crunching I have a good indication there's activity but through this whole process the CD only spun up in short spurts every so often.
I was wondering if this install was recompiling kernals or doing something ... the time indicator bar as my only means to an estimated guage is very silly to me!
I thought about that when I installed and even posted about those seemingly long times when nothing seems to be happening and cautioned the rush-hour crowd to be patient.
I think I have an answer, but it may be stretching things: many Mac users, I have noticed don't like things like desktop items, even if it's only one or two. One did not even like the Dock and wanted it gone - not hidden as most of us set it, but gone. Finito! And for years there were only one-button mice available and no BSD under the hood. So I think this lack of information is only annoying to people like me who came recently from the PC world (and am still in it) but the Macophiles probably like those blank information-less screens. I do recall once that Apple ran an ad saying "Who cares about MHz, GHz GBs and such - it's the color (flavor?) that counts. Fortunately, Apple has come a long way from then and attracted people like myself who do care about what is under the hood.
I suspect as more and more get involved in the BSD stuff and X11 and such, that these indicators will become more prevalent. At least I hope so.
An obvious bug when using DU, in 10.5.1, however, is that when doing a verify, my odometer says 1 minute left for about 5 minutes and then backs up and says 13 minutes left and drops about 1 minute every few seconds. In 10.5.0 the barber pole spun for a long time with no information.
Still, these are reasonably minor glitches and certainly not show-stoppers.
All-in-all, I look at Leopard as a distinct improvement over Tiger in almost every area. I miss Sherlock - which is why I keep my bootable Tiger clones up-to-date and working properly.
Interestingly, I have 3 Macs and 2 PCs and 5 Windows programs running on them.
Contrary to what others say about Vista, I find it running quite boringly well on this MBP. It's the 64-bit version and I did have to find the network drivers on my own.

Upgrading to Leopard from Tiger. Should I clean install, or is archiving ok

I have the capability to backup up everything myself and clean install, but my only issue is...
I'm running a couple of programs that could be...might be....cracked versions. And I'm also running my own copy of the CS3 Adobe Master Collection, which is a huge part of my work. I REALLY do not want to reinstall all these programs. Can these be backed up and copied over?
I was going to just upgrade, but a friend of mine told me of LOADS of problems people have been having with doing that, so I need some advice on what way to do this.
Also, I heard that if I'm going to run bootcamp, which i plan to, i have to setup it up as early as possible after I upgrade for some reason. is this true?
-Chris

My recommendation is to Erase and Install. It assures the lowest potential for problems. You can do an Archive and Install provided you take some precautions:
How to Perform an Archive and Install
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, 4.1 for Leopard) and/or TechTool Pro (4.5.2 for Tiger, 4.6.2 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.
Note that there is always the potential problem that some of your software may not be compatible with Leopard. I would check first because it's always a pain to have to go back. If I were you I would clone your current system to an external drive so if there are any problems you can simply boot from your clone and restore it.
It's best to set up the Boot Camp partition on a drive that hasn't developed some fragmentation if the Windows partition is going to require a large chunk of the drive. However, Boot Camp will let you know if it isn't able to create the partition size you've requested, so it should not be a problem to create the partition on the drive.
People will tell you lots of stories, but most do not understand the particulars of the individual situations. All they hear is "it didn't work" and whatever other horror story goes with it. Upgrade Installs and Archive and Installs can work and do work perfectly well provided that they are done right. Most users don't do it right. If it works they're just lucky.
So here's the short story:
1. Repair your hard drive and permissions.
2. Clone your current system to an external Firewire drive.
3. Test that the clone will boot your computer.
4. Determine that your software is compatible. If not upgrade it or replace it.
5. Decide which installation option you will use - Erase and Install, Archive and Install, Upgrade Install.
6. Do the installation.
In my opinion do not install a new operating system if your mission critical software is not compatible.

Upgrade from Panther to Tiger or Panther to Leopard

I'm operating a Powerbook 15" with a 1.33 G4 and 256MB RAM. I believe the specs for Leopard call for 512MB RAM. The question I have is, am I better off going with Leopard and upgrading the RAM or should I just go with Tiger and upgrade the OS?
A little background to help...I'm upgrading my OS more out of necessity (very quickly, everything is becoming incompatible with Panther -- like Flash, TurboTax, etc.). I don't want to upgrade to Tiger tomorrow and find myself in need of Leopard next week...if that makes sense.
Thoughts?

Upgrade the RAM regardless of which OS you install. Personally, I prefer Tiger because some of the apps I use regularly are still not yet compatible with Leopard and possibly never will be. I also had performance issues the first time installed Leopard, but after a couple of reinstalls I found the install process made a lot of difference to the performance of the install. My conclusion, Leopard is like that little girl who had a little curl right in the middle of her forehead. When she was good she was very good, but when Leopard is bad it is horrid.

What to do prior to upgrading to Leopard from Tiger on an iMac G5

So with the iphone coming and requiring 10.5 + i needed to up from my ancient tiger to leopard. I thought i'd get my parents mac mini too while i'm in the upgrade mode. I did the mac mini first so i could "test" on them in case of bad things....sure enough. errors, issues, and it said it must reformat. the cool thing was that my parents didn't really store anything on there so i went ahead with that. Now though I need to do the iMac G5 (mine), I'd really rather not have to reformat etc. but will if need be. i've copied my hd to an external and have a copy of everything (so i think).
What else do i need to do in case or before I upgrade the OS?
The leopard disc is 10.5.6 from the box set i got.

Before a major upgrade:
First: Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger, Leopard or Snow Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
Second: Clone using Restore Option of Disk Utility
1. Open Disk Utility from the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
4.Check the box labeled Erase destination.
5. Select the destination volume from the left side list and drag it to the Destination entry field.
6. Select the source volume from the left side list and drag it to the Source entry field.
7. Double-check you got it right, then click on the Restore button.
Destination means the external backup drive.
Source means the internal startup drive.
Third: *Install the upgrade*
For greater protection install the upgrade on the clone. If all is well then you can install the upgrade on your main drive.
I would upgrade any third-party software for compatibility with the new OS X version prior to the upgrade.

Upgrade X3.9 to Tiger

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