Filed under: Desktops, GamingIt's taken a bit longer than expected, but NVIDIA has finally announced that it's extended its SLI technology to allow for three-way setups, in addition to the usual two or four-way ones. That, the company says, should give you a 2.8x performance increase over a single GPU system, letting you crank up all the settings while accepting nothing less than a full 60 frames per second. That will come at a pretty hefty cost, of course, as you'll need three GeForce 8800 GTX or GeForce 8800 Ultra gr