NVIDIA's just launched its latest flagship Quadro GPU for well-heeled graphics professionals, the Kepler-based Quadro K6000. The company claims it's "the fastest and most capable GPU ever built" with double the graphics capability of its Quadro 6000 predecessor. It also has 12GB of the "world's largest and fastest" DDR5 graphics memory, enabling companies like Nissan to load nearly complete vehicle models, for instance. Other niceties include 2,880 streamin