Which of these schools would offer the best pre med opportunities?

Georgia Tech is known for grade deflation, so it is definitely not a good pre-med school. Georgia’s medical school is in transition, and there is some friction in the system, so UGA may or may not not be the best choice.

http://flagpole.com/news/in-the-loop/resentment-between-augusta-and-athens-led-to-medical-school-dean-barbara-schuster-s-ouster

Auburn recently opened an on-campus med school, although it is an OM.

http://www.auburnvillager.com/news/auburn-s-medical-school-set-to-open-in/article_eefa4acc-f9f8-11e2-8098-0019bb30f31a.html

The others should be solid choices with on-campus MD schools. Duke will give you more hand holding and more opportunities due to its size, but it will also be the most competitive.