If ISU was to beat TCU this weekend, but TCU wins the CCG, and South Carolina beats Clemson and ND beats USC. It'd be interesting how they'd look at a 1 loss conference champion vs 2 loss conference champions (ACC and Pac 12), a 1 loss non champion (Michigan), a 2 loss non champion (Alabama).
I assume the top 4 in that scenerio would be: 1) GA, 2) OSU, 3) Michigan, 4) Alabama.
Edited to say I guess it wouldn't be interesting at all, they'd just say TCU had the only bad loss and thus is out immediately.