what i know so far: Nvidias are cheaper and have a history of running very hot but performing well unless they go critical and suffer a meltdown, and EVGA makes the best factory spec'd ones. AMD is Far, far more expensive(their best factory spec'd brand is Sapphire) and i assume they run well and are nice and cool, being that they supposedly started dual fans on cards being controlled by the processor automatically through a proprietary driver. correct me if i'm wrong... besides fanboying, which one is better/do you think is better?