I am completely satisfied with Vista Premium x64 now even though it was a rocky road at the beginning. I only have 2 gigs of ram but I have yet to run into a problem related to this fact. I play games such as Far Cry 2, Call of duty (all of them), Bioshock etc... and use Photoshop and Paintshop pro with no lack of speed, kinda makes me wonder what sort of performance boost I would get by doubling or quadrupling my ram !!! I have not seen a BSOD since SP1 installed. I also have Vista installed on my Toshiba Satellite notebook with only 2 gigs of ram and no problems. I am a happy camper.