I got an IM today from a YouTube viewer asking me if the iPhone 3G was available on an AT&T family plan.  And you know, I couldn't remember.  So I looked it up and figured, if DRZmoney isn't sure, someone else out there probably isn't sure, either.  The answer is yes, and here are the details - basically it starts at $130/month for two iPhones sharing 700 minutes and unlimited data.  Additional lines are $40/each:

You can get details on all of AT&T's iPhone-compatible plans right here.