TechTool Deluxe. Does it work?

When I run TechTool Deluxe 3.0.3 (part of my Apple Care package) on my G3 iBook (10.3.8), it gives me no specific reports that it has found or fixed anything. It simply says everything Passed. Surely, some scruffy file fragment was located. Is it really worthwhile running this program? I also run Disk Utility to fix Permissions, after doing TechTool.
Is there a better diagnostic program than TT?

Hi Carl,
I agree with you completely: TTP has it good points and ditto for DW. I personally use TTP to degrag my HD about every 2 months or so. DW is great for taking a hard look at HD Directory files et al.
I currently am having my share of HD problems which neither program could fix. I recently experienced a HD crash and a lot of files were moved around, deleted or just lost in the chaos.
It has been my experience that in an attempt to keep our computers in 'order' we tend to use a lot of programs to do this for us not knowing completely whether the program is doing us any good or not. I was advised to use Cocktail to 'gently' repair permissions on a weekly basis. I decided to stop this program from doing this housekeeping for me only to discover this week, that I could no longer use Disk Utility to Repair Permissions. This came about because my new Tiger DVD could not see my HD as having Panther on it and was going to install a new OS X rather than upgrade as it should do.
Bottom line for me it that from this point forward I will be very, very cautious what programs - if any - I will allow to run in the background doing 'housekeeping' for me. It is always best to have some basic knowledge as to what our computer system is all about. It will be boring reading that is for sure. However, I praised the TTP manual because it explains in depth, what the Mac OS X is all about and some of that knowledge can give us a better understanding of our computer system and help us make a judicious choice when it comes to using programs such as Cocktail et al.
So, both of these programs can benefit us if we know what they do and when to use them after we understand the quirks of our own computer system. Reviews are also a good source for this type of information as I'm sure you already are aware of.
Thanks for your comments.
Regards,
Phillip

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    G5 Dual 2.5GHz, 2.5 GB RAM   Mac OS X (10.4.7)  
    G5 Dual 2.5GHz, 2.5 GB RAM   Mac OS X (10.4.7)  

    I was contacted by Marc Moorash from Alsoft, who guided me through the following process. (Well - at least up to Step 10 below).
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