See story here.
Apparently it's fully unlocked and available to use on any carrier with just a particular software install. Text and data can work on any network as well. Of course, since visual voicemail is a carrier network feature, you're still going to have to dial into your voicemail just like you always have.
This, coupled with the $100-off refurbed iPhones on Apple's site mean you can get a $400 iPhone with no contract and use it on any GSM carrier (read: T-Mobile).
Wow.
