It's between the Big Ten and ACC. You got IU, Illinois, Michigan State, Ohio State, Michigan, and a bunch of schools that are always ranked. ACC, has Duke and NC, which is enough said for them but they are Top heavy..
Those are the 2 best conferences IMO and the names and history speak for themselves. The Big East is just a bunch of average teams, don't really care what the stats say on that.
Think Louisville would be the best team in that conference with only 2 championship seasons...