Like all good things Sony Ericsson, the Xperia Arc didn't wait for an official announcement to make itself known. First appearing on a set of teasing posters at CES in January, it confounded us with a ridiculously thin (8.7mm / 0.3in) profile and an unorthodox concave rear, whose sighting was followed up with the revelation of a potent mix of internal components as well. The same 1GHz Qualcomm MSM8255 processor and Adreno 205 graphics that you'll find on brandmate Xpe
