I’ve used both CDs personally countless times and can’t recommend them enough. If you’re just looking to reset your administrator password to blank or need to move data off the system’s hard disk these CDs will help greatly. I’m always forgetting the acronyms so I decided to write them down for once. I typically carry UBCD w/ me at all times.

Couple quick links to the prospective websites…

http://www.prime-expert.com/ebcd/