Well, there you have it. After turning plenty of heads at this year’sMobile World Congress, HTC’s latest and greatest handset now has an official release date for the United States.AT&T has just announced that the HTC One X will hit store shelves on May 6 with a $199 price tag (2-year contract included, of course), and that pre-orders for the hotly-anticipated handset will begin on April 22.