OQO is set to unveil an updated version of it Ultra Mobile PC. Like its predecessors, this will be a tiny PC running the regular version of Windows, but the upcoming model will add some new features, including an OLED touchscreen. OQO’s current UMPC, the model 2, looks like a slightly larger than normal handheld, but runs either Windows XP or Vista. The current version uses a track stick pointing device to control a cursor, but the next edition — the OQO model 2+ — will add a touchscreen. Rather than this being a standard LED, this will...