This more than likely has been posted here previously, but it's worth re-posting for those who may have missed/are unaware of it, IMHO.
http://www.tweakguides.com/TGTC.htmlThe TweakGuides Tweaking Companion (TGTC) is the complete system customization and optimization guide for all Windows users. Designed for novice and advanced users alike, it is written in plain English to help you genuinely understand all key aspects of Windows and your PC. The guide covers every major topic, from the correct installation of critical drivers and software, through to simple explanations and recommendations for every significant Windows setting and feature, all the major performance and convenience tweaks and customizations, as well as detailed troubleshooting advice. Also provided are links and instructions for a large number of reliable free applications which can enhance your system and give you viable alternatives to purchasing commercial software.
It gives you the option of downloading the free Regular or "Deluxe" editions for $4.50.
XP, Vista & Windows 7.
I've used it, and found it to be of much help/value.
Anyone else?