You like high-profile cage matches? It doesn't get more intense than the operating system that encompasses Microsoft's hopes and dreams, Windows 7, going processor-to-processor against a refreshed and re-invigorated Snow Leopard from Apple. Can Windows 7 move past the failures of its predecessor Vista, or will Snow Leopard turn this into a one-cat fight? See what three CNET editors think of Windows 7 versus Snow Leopard in our latest Prizefight. You better believe it's subjective.