The best time that would be the best draw would be to tie it to the Petit Lemans Race at Road
Atlanta on September 30th. The race is a blast with Porsches going head to head with other manufacturers and they have a Porsche Corral forthe race sponsored by one of the local dealerships as well.
Some of the Corvette and Ferrari Clubs have get togethers the night before and also do stuff during the race.
Just a thought