Since AT&T cancelled my order without giving my further warning, I have come down to waiting in line at my local AT&T. I know, Apple would be a smarter idea but they cannot handle the trade-ins for Next so I have to go to my local AT&T store. Anyone have experience from previous years camping out at AT&T and what time would be a smart time to head to line up. I really want my 128GB 6 Plus.