I was there... read my reporting of the event at http://theconstitutionalalamo.com
According to those in attendance, only 250 went to the Capitol on the 4th. This was undoubtedly because of the short notice, the lack of information, and the fact that most of us attended the Cobb Tea Party on the 3rd or the Peachtree City Tea Party on the 4th.
http://www.freerepublic.com/focus/f-bloggers/2285306/posts