Nlite Add drivers and make unattended windows installs you can also download vlite for Vista.

Dial a fix Fix windows installer, Windows update, and several other windows problems.

Ccleaner Cleans temp files, IE/firefox  cache, cookies, and a whole lot more.

Ultra VNC Remote control software.

Unlocker Have a file you can not delete because it's in use? This app will help you get rid of it.

Barts PE Create your own boot cd based on Windows XP. Many options for adding tons of programs.

UBCD4Win A great boot cd based on Barts PE.