Well it will be there but I spoke with an Apple rep and they said that it's only for new Next plan users. So basically if you are trying to trade-in because you're on the Next plan you'll have to go through AT&T, which means preordering through them. Hope this helps
I posted this in the general section. I went through the process but with a 5s just to see and it said since in New York I had to go to a store or att website