I know that Apple doesn't officially support Windows 7 yet. I also read that 64-bit Vista and XP require a MacBook Pro or Mac Pro according to Apple. I am currently taking some classes so I get Windows 7 Ultimate for $7 I am wondering if I can use 64-bit on my Core2Duo Black MacBook 2.0Ghz or my 2009 Mac mini? Probably not a benefit on the MacBook bc the ram limitation. I know Apple doesn't support this yet, and they try to get people that want 64-bit to buy a "Pro" Mac although there probably isn't a technical reason for it. Also, I may buy a iMac i7 or the next revision of MacBook Pro. 8GB+ of ram in the future. Any advice for which version of Windows 7, 32-bit or 64-bit?