SouthTrust Bank, formerly the primary tenant at One Georgia Center, has moved its Atlanta offices to a new building in Atlantic Station. The blue lettering and logo at the top of 1GC have been removed, leaving it undecorated.

http://www.skyscraperpage.com/cities/?buildingID=3272

http://skyscrapercity.com/showthread.php?s=&threadid=104027 (see second paragraph)

[Buck]

Yes, maybe I can draw a new diagram or Justin will update his.

[DallasTexan]

I've been aiming to change it; I'll do it ASAP :)