Who knew giant multi-touch tables would trigger the next big speed race? Ideum clearly thinks that the PixelSense-based Samsung SUR40 is lagging with that AMD Athlon II X2, because it just rolled out a pair of speed demon 55-inch, 40-point touch surfaces (but not Surfaces) in the Platform and Pro. The Platform has a respectable dual 2.2GHz Core i7 and 8GB of RAM, but