Sometimes getting lost in the maze-like sprawl of the Messe can turn up unexpected surprises. In this case, we chanced upon Sony's Xperia sola hiding in plain sight at Sparhandy's booth. The petite Android handset, formerly codenamed "Pepper", was officially announced earlier this spring and even crept up in FCC filings. But until now, we'd never had quality hands-on time with the 3.7-inch Gingerbread device. For its diminutive size, the wee phone sports a 854 x 480 LCD display powered by Mobile BRAVIA Engine, a dual