Windows VISTA-64 to Windows 7 64 - Never a single system crash. If you "need" a Mac because Windows is too much for you, then yes - You probably do need a Mac, unless of course you use some of the thousands of applications that won't run on a Mac. But hey, then you can load Windows on your "pretty" Mac and pay a $1,200 premium to run Windows. If you do so, I'd also like to sell you a Cadillac Cimarron.