Speaking of Charlotte, there's a station there named 95.7 The Ride. It's sounds like a classic hits format similar to the River except with a deeper playlist.
Planet 96.1
99X
Dave FM
As it stands right now, Planet (I mean Project 96.1) (sorry,I can't help myself) and 99X are going head to head for the younger rock audience. Say what you will about Dave's ratings, but they have a nice niche going for themselves. (Although, they have no business being the flagship of the Falcons. Another topic for another day). Even though Clear Channel is involved, I have a feeling younger listeners are going to look at 99X as a "has been" and choose Project 96.1. This could open the door for 99X possibly going classic rock. Actually, I think they would go with a "classic alternative" type format and I bet could do fairly well with it.
Kicks 101.5
Eagle 106.7
94.9 The Bulls&#t
It appears Bull is going after Eagle 106.7's older skewing country audience. This would make sense considering it carries Braves Baseball and we all know baseball's core audience is the oldest of all of the 4 major team sports. I'm not a big listener of Eagle 106.7, but from what I understand, they're already beginning to test the waters with classic rock. I think Eagle 106.7 is your best candidate to go classic rock. Steve Mitchell, Southside Steve, and AJ Cannon have all worked the format before. With any programming creatvity at all, they could destroy the River. By default, Kick 101.5 will kick the Bull's ass because Clear Channel runs the Bull.