We won't lie: we've been pretty skeptical of the rumors so far that the HTC Thunderbolt would have support for simultaneous voice and data over EV-DO -- SVDO, as it's known -- turned on. Perhaps more than any other US carrier, Verizon has a reputation for testing the living daylights out of devices and locking out hardware that doesn't meet its reliability standards, and so we were a little leery of some supposedly leaked internal communication not long ago letting reps know that although it'll be enabled, it shouldn't be discussed because it doe