The spiritual successor to last year's Xperia Active has been given a performance boost. Now packing a dual-core 1GHz processor, Sony hopes it'll manage to keep up with your surf-heavy lifestyle. At least, that's the explanation we reckon underpins the Xperia go's (or Xperia advance) certified dust and waterproofing. The phone is notch above the Xperia miro and Xperia tipo hardware wise, although the software remains less so, leaning on the increasingly creaky Android Gingerbread. (Sony says it's coming -- but it wont be available on lau
