As American consumer electronics trade shows go, CTIA Wireless is definitely one of the elite -- which is exactly why we've got a full contingent of Engadget staffers skulking around this year's shindig all this week looking for phones, tablets, and miscellany that may be relevant to your interests. Obviously, AT&T's acquisition of T-Mobile USA has dialed up the volume level a notch or three, but we're expecting HTC's first 3D smartphone, an