My friend and a fellow MVP, Ramesh Kumar has released the latest update of Ultimate Windows Tweaker, which is a free and very powerful and highly acclaimed utility for tweaking and optimizing Windows 7 & Windows Vista(both 32-bit & 64-bit). The v2.2 of UWT with IE9 support is a standalone application includes some additional tweaks that can make your system faster, more stable, and more secure with just a few mouse clicks.
Download the latest release (v2.2) from here. Ultimate Windows Tweaker
Change Log for v2.2 available @ WindowsValley