Tweak Your Ass Off

http://www.mdgx.com/

http://www.xteq.com

http://www.dougknox.com/
http://www.winguides.com/registry/

Nice Title :P

http://tweakxp.com/

WindowsXPForum Utilities Page
Black Viper's Windows 2000 Services Guide
Black Viper's Windows XP Services Guide
XPLite
kellys-korner-xp Tweaks and Fixes Page
Jester2K Freeware
XPAnti-Spy
TCP Optimizer
SafeXP
RegSeeker Mostly a registry cleaner, but allows some tweaking. ;)


-- Xero Grid --

I like tweakxp :)

:)