After redeeming its Android mojo with the sleek and capable Sony Ericsson Xperia arc, the company decided to out an upgrade as a stopgap flagship until it eventually makes it to the dual-core Nozomi rumored for next year. We say stopgap, since the Sony Ericsson Xperia arc S keeps the breathtaking design of its predecessor, but ups the ante with a still-single core 1.4GHz processor, 14.4Mbps instead of 7.2Mbps radio, and teaches the 8MP Exmor R camera some new tricks...