Here is my online chat with ATT:
Peter: Welcome to AT&T wireless online sales support. How may I assist you with placing your order today?
carl: what is the availability of the S3?
Peter: I'm happy to assist you with our phones and delivery information.
Peter: May I ask if you are currently an AT&T wireless customer?
carl: i am
Peter: Thank you, we appreciate your business.
Peter: We expect to ship orders for the Samsung Galaxy S III within 10 days based on available supply. Orders received after 3 p.m. CST will be processed the next business day. All orders are processed on a first-come, first-served basis. You will receive a confirmation email when your order is ready to ship.
carl: do you have any info on when local ATT corp stores will receive shipments? I am in the ATL market.
Peter: Unfortunately no I don't have any information on when local AT&T stores will have stock. I don't get information on in store availability or stock at all. You'd want to call or visit an AT&T store near you to find out when they expect to have it.
Peter: You can click here to find AT&T stores near you
carl: i visited my local store today and they didnt have any information.
Peter: Unfortunately that would mean that it is still uncertain. If there is anybody that could tell you when they're going to have it, it would be the in store staff.
carl: i appreciate the info.
Peter: I'm sorry to say we never have information on in store availability online - it's not just because it's a new phone.
Peter: You're welcome Carl!