AT&T: The first-generation phone is locked, and apparently aggressively, to AT&T (formerly Cingular Wireless) - as the sole U.S. phone services provider, a deal that will apparently run through 2009. Customers must to agree to a new two-year cell phone contract in order to use the phone, which is different from standard phones that can be purchased with one-year (+$50) or no contracts (+$100) at higher prices. Unless Apple chooses to reach…
