I just found a great software which makes your computer look like vista or OSX whichever you want. I most of u probably know about it, but for those who don't its called Vista Transformation pack 8 for Vista and OSX transformation Pack for Apple. There are others available but these are the best I'v tried so far. and they are free too.

By the way I am not trying to publicize the product, I have no relation to it's creators or anything, I am just telling you guys about it, so don't think I am trying to sell a software or something.