I was reading up on the latest conference realignment stuff, and I came across an interview with Clemson economics professor Raymond Sauer. It's a very quick read, but a good read, and the final question and answer got me thinking about an eight-team playoff.
Right now, it looks as if college football is headed towards a four-team playoff. We don't know any details such as the format (four conference champions, or four highest-ranked teams, etc.), the TV deal, or the revenue sharing.