From my cousin who works at AT&T:
WILL BE CHEAPER BECAUSE IT IS MADE FROMPLASTIC AND NOT METAL LIKE THE ORIGINAL. THE IPHONE PLANS ARE HIGHER WITH THE NEW ONES. WILL ONLY BE AVAILABLE FOR THOSE WHO AREEEEE ELIGIBLE FOR A 2 YEAR UPGRADE OR NEW ACCOUNT.. CAN NOT JUST COME IN AND BUY ONE LIKE THE OLD ONE AND JUST ACTIVATE IT..RULES HAVE CHANGED WITH THIS ONE..JUST A FEW FYI'S...