I'm in Alpharetta too.
Here's a link to my blog BBQ, Banjos and Blues - All Things Southern: Banjo's Arduino Thermocouple Controlled Thermostat, with an Arduino project on it I did a while back.
Drop me an email via my blog.
I would enjoy getting together with some other tech people.
I'm going to propose meeting at Jim & Nick's BBQ at 141 and 400 (at the Forums) on Wed, June 6 at 7:00 PM.