CosmoLava has open bar, champagne fountains, balloon drop, sculptures and more:
Cosmopolitan Lounge - New Years Eve Atlanta
Tickets are #36 and they're located in Midtown....
Cosmo video and map

Halo Lounge is having a "Spirit of '09 Masquerade Ball" for NYE (in honor of the movie The Spirit) complete with a sceening of the movie, champagne bar, dessert buffet, prizes, free drinks and more.
Halo Lounge - New Years Eve Atlanta
Tickets are $40... don't forget your mask!
Halo Lounge video and map

Leopard Lounge is having a New Years Palooza, with free champagne and more.
Tickets are $15, VIP = $150
Leopard Lounge video and map

Opera is having an all inclusive New Years party.
Tickets are $40 and $115 (discounted from $150)

Have fun and let us know what you end up doing for New Years...