Tweak-XP combines tweaking capabilities with performance enhancements. It has all the settings you would expect in a tweak utility. Tweak-XP also includes hardware tweaks for the most common CPUs and display adaptors. The Tweak-XP System-Optimization Wizard offers a 'One-Mouseclick' system performance optimization. Without browsing through hundreds of registry settings and tweaks you can easily improve the all-in-all performance of your computer. Its cheap. $30 bucks or so.