The other conferences appear to be set, but I could see:
The SEC making the move to 16 with the MO situation near finalized.
Does The BigXII go after BYU, L'ville &/or Cincy? Taking 1 or 2 more BE teams may splinter the BE & allow earlier entry of WVU.
How far can the BE get to inviting a new team? I find it hard to too see the 3 groups (FB, BB & ND) finding enough common ground to get other teams to leap in BE waters.
Does does BE uncertainty make ND shop itself to the ACC & Big10?