HTC has been stoking the fires of anticipation for its return to tablets, and that small flame is quickly turning into a full conflagration. A slab nicknamed the Vertex has surfaced in benchmarks with a 1.3GHz NVIDIA Tegra 3 and a 1,280 x 752 usable resolution that's noticeably wider than the similarly Tegra 3-equipped One X's 720p display. Other than Android 4.0 (and a probably Sense 4.0), however, there's scant else to go on. The last murmurs of a Vertex from the f
