We still don't have all the details we'd like on pricing and availability, but AT&T's official 3G MicroCell site is now up and running where you can enjoy some video overviews and get a good gander at what the finished product looks like (it's way better than the version briefly shown a few months back, if you ask us). Availability of an unlimited calling add-on is confirmed here, and any calls that originate on the MicroCell before being handed off to AT&T's old-school
