Yep there finally is a six-page long tweaking guide for M$ latest OS Win XP. Read it here. This guide (was written) in order to help Windows XP users of any experience level gain familiarity with the new features that XP adds. It?s not so much of a tweak guide for performance, but a tweak guide for usability ? by knowing the new features of the OS, you can get up to speed even faster.