If you're driving south from western TN, there's Bayside Quilting in Panama City, FL.
I think there's also a quilt shop frequently mentioned from Dunedin, FL (north of Clearwater and St. Pete).
Or maybe I'm thinking of Suwanee Quilting in Trenton FL, west of Gainesville.
Also look at
http://www.floridaquilting.com/quiltshops/