Tweak-XP was developed to combine both tweaking and optimizing features to increase the speed of your Windows XP system. All settings can be done without having any former knowledge, since Tweak-XP informs the user in detail about each option. Tweak-XP - all you need for Windows XP.
News source: ICNet Betas
Download: TweakXP v1.17
Visit: TweakXP website