Some of the big Atlanta builders are buying lots, getting ready to build. 
http://atlanta.bizjournals.com/atlanta/stories/2009/03/09/story5.html?ana=e_du

Howell Station is adjacent to one of the jewels of the proposed BeltLine project - Quarry Park will be bigger than Piedmont Park and the green space will be improved and preserved for generations to come, making Howell Station even more desirable from a real estate point of view. 
The Quarry Park-to-be is located on West [...]