re: Playoffs will have its own poll system ...

Conference championships shouldn't be a major provision. The conferences are unbalanced. Every conference has their Big 2, but the SEC annually has at least 4 teams that compete with other conferences ' Big 2's. Including a conference championship provision would help the weaker leagues. I'd be more in favor of getting rid of conference championships; they're not an honest play-in because the championship games rarely feature a conference's two best teams.