What's thin, pale and sexy as hell? If you answered Twiggy you're close, but wrong. The answer we were looking for is the AT&T version of the HTC One X, which appears to have just swung through the FCC. There's not much to reveal here that we didn't already know. The phone is capable of connecting to AT&T's HSPA+ and GSM networks thanks to the 850MHz and 1900MH