A dozen uncompressed 1080p video feeds, simultaneously running off a single workstation. Yep, you're looking at it. NVIDIA's showcase piece here at SIGGRAPH was undoubtedly this wall -- a monster that trumps even Intel's CES wall in terms of underlying horsepower. A relatively stock HP Z800 workstation was loaded with the NVIDIA QuadroPlex 7000 Visual Computing System (that's four GPUs, for those counting) in order to push four HD panels. A pair of Fusion-io's ioDrive D