I just checked it out now and it's really awesome!
Such a huge collection of tweaks and that too in 300 kb is wonderful. Thanks Ramesh for making such a cool application and Anand for promoting it.
P.S. Ramesh, why did you choose a b/w image and not a colored one? Anyways, In the systems and performance tab, there are three sliders for determining speeds. I made them fast and restarted, but the sliders automatically goes to the slow position once I restart and run the program again. I noticed that the speeds has increased for shutdown, so I guess it's just the sliders which are reverting back to their original position though the registry values have changed. By the way, are they any registry tweaks for a faster boot up?