If you are downtown, the Highlander is a pretty decent bar that normally has two pins. Ironman seems to be the stronghold, they had a Shrek too the last time I was there. It is also across the street from Piedmont Park, the crown jewel as far as Atlanta parks are concerned.
Ormsby's is another cool bar close to Georgia Tech. They have never had more than one pin, but the operator does a pretty good job maintaining them. They tend to be newer Sterns, but I think a Williams IJ was there last time I went to play. There is also indoor Bocce ball at Ormsby's; and if you like pizza, you will be near the BEST pizza place in Atlanta, Antico. They don't serve alchohol, but you can bring wine/beer if you like.
There is also Manuel's Tavern, which is one of Atlanta's best taverns. It's notable for being a Democratic stronghold, pretty rare in such a red state. They had two pins last time I was there, but it has been a while.
The only other pins I can think of are all beat to hell, or have been taken off route. It seems like most fair to well maintained pins I see come from an Operator called Compu-sports Inc., you may want to call them and see what their current locations are.