After furnishing its latest machines with fresh Ivy Bridge processors, Velocity Micro has decided to tend to its high-performance gaming machines. The desktop's Overdrive BigBlock GTX promises to be "the new benchmark for extreme speed and luxury." It reckons it accomplishes this with a Core i7 3960X processor, "hyperclocked" to 4.6GHz, 32GB of quad-channel memory, three (yes, three) NVIDIA GeForce GTX 680 graphics cards in Tri-SLI and two SDDs backed u