Wawaweewa! Ah, the FCC... Sometimes it can be a cell phone lover's best friend. If you've got the time to do some sleuthing on the FCC site, you can occasionally find information about upcoming cell phones and smart phones like this little number here: the AT&T SMT5700. As Engadget Mobile reports this morning, this is the first AT&T-branded smart phone and it carries the same SMT prefix of the