You might want to be careful there Oakranger...getting rid of "old files" can cause you some headaches that you don't want to deal with. You could end up deleting system files that are needed but not registered as being used recently...which happens when you use the disk cleanup wizard in Windows XP...if you're trying to clean up your registry from stale/orphaned entries...Glary utilities did a pretty good job...I also use Wise Registry Cleaner which if you just follow the safest route it does a great job...killing old program directories should be done manually once you ensure the program has been properly uninstalled...
You're also going to want to get auslogistics disk defragmenter and run it, with the optimize option turned on.
