When setting up a gadget for review, delicately unboxing and smelling the carcinogenic whiff of freshly molded plastics, we typically feel some amount of excitement and anticipation to see how it stacks up against the competition. It's either that or a resigned sense of duty as we run yet another iterative evolution of this or that laptop through the same benchmarks to see just how this year's model stacks up to the older model now being sold on discount. With the Nexus Q, though, we felt something different altogether: genuine curiosity. Why? Well, it's a high-end device with a $299 MSRP, pricing it orders of magnitude higher than media streamers like the Apple TV, anything f