I'll admit I lived on the Majors website for two years, but it has pretty much everything you want to know about the program. Specific to this question:

http://www.scca.com/events/news.cfm?eid=6551&cid=51604

Barber was a Festival and not and Eastern Conference event. Those seven were Sebring, PBIR, Road Atlanta, VIR, NJMP, Watkins Glen, and Summit Point.