Has spring 2012 brought a rebirth to the Xperia range, or just a rebranding? On the face of it, that's an easy one. The Sony Xperia S (codenamed "Nozomi") is the first handset we've reviewed in the post-Ericsson era and you only have to glance at its spec sheet to see that more has changed than just the logo. The 4.3-inch LCD display outguns older Xperias with a bright and contrasty 1280 x 720 resolution. This feature alone helps the device to sit more snugly on the Sony family sofa, where it can share popcorn with the tablets, PCs and