Don't know yet. I am porting a number from Sprint so probably go to an AT&T store to make sure it gets done right.
My plan, as I have stated before, is to visit about five potential iPhone sites, two Apple stores and three AT&T stores, on Saturday the 23rd. While there I will talk to salespeople and get as much info as I can. The place/person I feel that has the best plan to deal with the crowds, is polite, helpful, etc will be the store I spend 6 plus hours waiting in line on June 29th. I am not going to drop a grand and get treated like crap especially after waiting in line for six hours.
Oh, yeah proximity to restrooms and food will also help in decideing where I buy my phone. LOL!