In short, it's a legitimate program but overpriced considering you can do the same things it does for free. You can click here for my previous comments on it. If you decide to do it yourself and have any questions, just ask.
Does anyone know anything about a program named PC Pitstop...is it a good one? It offers a free scan of computer and the program offers a money back guarantee....it's suppose to optimize my computer and claims to identify common problems that computers have........here's the url: