General Tweaks - Tweak it, but don't break it
30+ Racing XP Tweaks This has gaming tweaks for WinXP, Win98SE, and NR2003
BlackViper's XP Tweaks The absolute best XP tweaking site on the net
DLL-Files Missing or corrupt .dll file? Check here.
SpeedGuide Broadband Broadband tweaks and helpful hints
Tech Spot Modem A guide to tweak your dial-up connection in XP
Tweak3d If you want to tweak it, this place has got it

NR2003 Tweaks - Tweak it, but don't break it
30+ Racing NR2003 Tweaks This has gaming tweaks for WinXP, Win98SE, and 2003
NR Graphics Tweaker Edits the .ini files for you [Does not support vid cards below 64M]

Last checked January 15, 2005