Forgot to mention that theres not really much point in getting a 6600gt as they are pretty crappy, about the same power as a 9800pro which isnt much to run todays latest games with decent frame rates (e.g. doom3, fear, quake 4, dod source, call of duty 2). Also its necessary to have 256mb for all of the latest games as 128 doesnt cut it anymore. Hope all this has answered your questions, if you have anymore just ask.