Here's the Lugnet group for TennLUG, the Tennessee LEGO Users Group. It doesn't look like they've had a lot of recent activity, though:
http://news.lugnet.com/org/us/tennlug/
One thing I notice, Eric Harshberger is a member of DixieLUG and hosted their last meeting. It would certainly be worth a couple hours drive to visit his home and see some of his great creations:
http://www.ericharshbarger.org/lego/portfolio.html