For all of my Atlanta peeps, I went to the Duffs in Newnan Georgia recently and it was awesome! I take my family to Duffs whenever we go to Buffalo and they loved it too. Wings, fries, gravy, fingers and blue cheese were all the same as Buffalo store. They even had Labatts and Buffalo Bills stuff everywhere. Owner was very cool and spent plenty of time talking with us about how his franchise came to be. I will be heading back soon.
If you miss authentic wings (and beef on weck I am told) do not hesitate to check it out!