We have explained in numerous articles in the past that the bulk of GPU sales are made in the form of ether IGPs (Integrated Graphics Processors) or affordable, mainstream graphics cards. As powerful and exciting as the ATI Radeon HD 4870 X2 or GeForce GTX 280 cards may be, AMD and NVIDIA simply don’t sell as many flagship products as they do mainstream cards.It is because of this fact that both companies consistently refresh their mainstream offerings every few months or so, and continually push new features