This sounds like T-Mobiles Fav-5, but it sounds like 10 numbers. This is cool since my wife is on Sprint.
Here is the press release.
AT&T- News Room
Here is the press release.
AT&T- News Room
I'm willing to bet you will be able to pay $10 a month for this if your plan does not qualify to have it added for free. If I was not going to be picking up HTC Hero next month I may have just paid a bit extra for this.