The process to get there will be interesting, but the end game IMO will be 4 POWER conferences with ~64 teams. That way there is a pure playoff and no committee. The 5 conference set up will have to go, and realignment is already underway.
The BIG5 today comprise 65 teams, and all of them will want a seat at the table (the TV money) but not all of them will be able to afford the "ante" (annual cost to enter/stay). Net net if your school is not in one of the existing 5.... it will take some massive luck to make the initial cut.
My crystal ball says some teams that are currently in will opt out, and some others will take their place. It will be painful but a school with crappy FB and BB teams and crappy facilities to boot will find it financially impossible to "play" = Unless you already have a solid foundation OR Phil Knight or Boone Pickens is an alum OR you are located in/near a zip code with a few million eyeballs.... you are done.
Obvious teams on the bubble.... Washington State, Utah, Oregon State, Iowa and Iowa state, Mississippi State. There are others who may simply not want to pay the fee or have faculty/administration issues with the commitment (GA Tech comes to mind), but the previous list of schools look to be in no man's land.
From a conference perspective... the key is to start the negotiation with the optimum mix of TV rights = eyeballs. Here Delaney is a GENIUS. Rutgers and Maryland were available and who else could he get in those zip codes??
The SEC, B1G and PAC12 are IN. The Big XII as it is.... is toast. This is why Mizzou and TA&M moved among other reasons. The ACC has shitty CFB teams but great CBB teams, the U's are generally LOADED and near major media markets.