Very good news for iPhone users, regardless of AT&T’s motives. Now you can make VoIP calls (via Skype or whatever client you like) not only over Wi-Fi, but also over AT&T’s network. I’m sure you’ll get charged for mintues,but you won’t have to deal with their nonsense for international calls.
Interestingly, no more news on Google Voice being approved, but given this news, I expect that to happen soon. As has been noted, cell phones are not just cell phones anymore, and I’m glad to see the monoliths responding.