Not a problem. I track ths religiously! You could go the international route as well & save $$ if you have a few $$ handy & don't want to be hindered by the 2-year contract. It is much cheaper than buying in the U.S. if you have someone that could bring it to you, thus avoiding tariffs, etc.
Following up on my postings re release dates, the AT&T launch is now OFFICIALLY confirmed though I haven't seen definitive specs yet. Here's are 2 URLs, one from the Verge & the other on the AT&T site where you can sign-up in order to be alerted by AT&T when the phone is availablle for sale.