New Mac Pro setup questions..

Question

Hi,
Just pulled the trigger on a Mac Pro 3gh, 4gb, ATI 1900. I am going to that from a dual 1.42 quicksilver and had some questions.
It seems migration assistant may not be the best way to go. Is this true, should I reinstall everything? Is it possible to drag and drop apps to the new machine?
Is it possible to get mail info from another machine to the new one? I have an iMac at home that I have been using Mail with and would like all the email addresses on the new machine at work. My old setup, I was still using Enterouge (sp) and would like to use Mail like at home.
I have the stock 250gb drive and I need to figure out different drive scenarios. I recently bought two external 500gb drives before even thinking about a new system. I am a commercial photographer and one drive is a backup that lives offsite from my studio for protection. Should I mirror with an external?
Thanks for any help!
HD

Answer 1

This FAQ may be helpful:
A Basic Guide for Migrating to Intel-Macs
If you are migrating a PowerPC system (G3, G4, or G5) to an Intel-Mac be careful what you migrate. Keep in mind that some items that may get transferred will not work on Intel machines and may end up causing your computer's operating system to malfunction.
Rosetta supports "software that runs on the PowerPC G3 or G4 processor that are built for Mac OS X". This excludes the items that are not universal binaries or simply will not work in Rosetta:
Classic Environment, and subsequently any Mac OS 9 or earlier applications
Screensavers written for the PowerPC
System Preference add-ons
All Unsanity Haxies
Browser and other plug-ins
Contextual Menu Items
Applications which specifically require the PowerPC G5
Kernel extensions
Java applications with JNI (PowerPC) libraries
See also What Can Be Translated by Rosetta.
In addition to the above you could also have problems with migrated cache files and/or cache files containing code that is incompatible.
If you migrate a user folder that contains any of these items, you may find that your Intel-Mac is malfunctioning. It would be wise to take care when migrating your systems from a PowerPC platform to an Intel-Mac platform to assure that you do not migrate these incompatible items.
If you have problems with applications not working, then completely uninstall said application and reinstall it from scratch. Take great care with Java applications and Java-based Peer-to-Peer applications. Many Java apps will not work on Intel-Macs as they are currently compiled. As of this time Limewire, Cabos, and Acquisition are available as universal binaries. Do not install browser plug-ins such as Flash or Shockwave from downloaded installers unless they are universal binaries. The version of OS X installed on your Intel-Mac comes with special compatible versions of Flash and Shockwave plug-ins for use with your browser.
The same problem will exist for any hardware drivers such as mouse software unless the drivers have been compiled as universal binaries. For third-party mice the current choices are USB Overdrive or SteerMouse. Contact the developer or manufacturer of your third-party mouse software to find out when a universal binary version will be available.
Also be careful with some backup utilities and third-party disk repair utilities. Disk Warrior (does not work), TechTool Pro (pre-4.5.1 versions do not work), SuperDuper (newest release works), and Drive Genius (untested) may not work properly on Intel-Macs. The same caution may apply to the many "maintenance" utilities that have not yet been converted to universal binaries.
Before migrating or installing software on your Intel-Mac check MacFixit's Rosetta Compatibility Index.
Additional links that will be helpful to new Intel-Mac users:
Intel In Macs
Apple Guide to Universal Applications
MacInTouch List of Compatible Universal Binaries
MacInTouch List of Rosetta Compatible Applications
MacUpdate List of Intel-Compatible Software
Written by Kappy with additional contributions from a brody.
Here is a list of where your important data is stored ("~" stands for "Home"):
Your Data in Documents:
~/Library/Application Support/AddressBook (copy the whole folder)
~/Library/Application Support/iCal (copy the whole folder)
Also in ~ / Library/ Application Support (copy whatever else you need)
~/Library/Keychains (copy the whole folder)
~/Library/Mail (copy the whole folder)
~/Library/Preferences/com.apple.mail.plist (This is a very important file which contains all email account settings and general mail preferences.)
~ / Library/iTunes (copy the whole folder)
~ / Library/Safari (copy the whole folder)
~/ Pictures/iPhoto Library
If you want cookies:
~/Library/Cookies/Cookies.plist
~/Library/Application Support/WebFoundation/HTTPCookies.plist
For Entourage users:
Entourage is in Documents/Microsoft User Data
Also in ~ /Library/ Preferences/Microsoft
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