CNN reports details of a group of anonymous programmers who are lanning to sell iPhone unlocking software on the Internet. They emonstrated the software hack for CNN and had a T-mobile sim card working moments after removing the AT&T sim card. This is bound to stir up a lot of controversy: in the US iPhones are supposed to work only on the AT&T network in the first two years according to their agreement with Apple.
http://www.cnn.com/2007/TECH/09/01/apple.iphone/index.html