It kinda got buried beneath the X10 mini and mini pro, but Sony Ericsson went ahead and threw us a Symbian-flavored bone this evening with the Vivaz pro. The phone's nearly a dead ringer for its non-pro doppelganger -- the original Vivaz -- but it adds a claimed 2 millimeters of thickness, which we found to be nearly imperceptible when you're holding it or gazing in its direction. We'll admit this