Best utilities to have fixing computers...?

Any ways i fix alot of computers i just bought 12 cd's for utilities and such what do you think will come in handy?

ive got the oem cd's for xp pro xp home xp media

also ubuntu laptop ubuntu desktop and dban

what else do you think will come in handy fixing/ restoring computers? (ive got tons of antiviruses etc on a flashdrive)

Best utilities to have fixing computers...?norten

Data Recovery Tools

Sorry I don't know any good ones, but you'll need these. Also, find some software that allows you to test hardware. Some disk checking utilities, memory checking things, video hard tests. Also an external hard drive and external CD Rom are critical.

Best utilities to have fixing computers...?panda

ccleaner

Tuneup utilites

window washer

TweakXP

Active Undelete

Defrag

Reg Cleaner

System Mecahnaic

ASO

can you do me a favor? Can you email me and tell me what you have from your collection and what is best or free? studmuffin1200@yahoo.com