Here's a free Vista tweaker, and it's a very good one--you'll be able to tweak Vista in countless way, including for speeding up performance, juicing up Internet speed, cleaning up your hard disk, cleaning out startup programs, and even tweaking Windows Media Player and Explorer. There are numerous settings here, many of them exceedingly fine-grained. Want to change the speed at which the Start menu search displays? Yes, you can do it, and plenty more as well. The program free, and there's a lot to play with, and based on that, it's hard not to want to download it.