I'd really love to see something like the ACC/BIG10 challenge. I think it would be really cool to see game 10 of the non conference schedule become a challenge game.
Basically the #1 RPI conference would be in a challenge against the #2 RPI conference, 3 vs 4, 5 vs 6, etc... the #1 team from each conference would be determined by regular season conference wins with tie breaker default ing to end of season RPI.