Having Compiz on top of Windows would certainly take the experience to a level few Windows users have experienced.

Steve Ballmer would love to “outsmart GNU/Linux” by having all “innovation” take place on Windows but this is impossible without software freedom and everyone knows it. Why would anyone waste their time buying a compiler or even using a gratis one from a company that has been so abusive for so long? Only the most naive and inexperienced of programmers would even think such a thing were possible. In more than ten years of development, non free software has yet to match the basic features of GNU/Linux Window Managers such as Enlightenment. Features are transient and the whole thing suffers from conflicts with other software. Windows dependents have nothing but empty dreams of catching up to free software features. For some reason, ordinarily rational people are afraid to stray from the monastic simplicity of Windows GUI and lame Office programs.