I love the idea (not mine) of putting two new teams in LA, one in the AFC and one in the NFC. Pay for the new stadium with two sets of PSLs. Each team in each conference (17 teams) plays every other team in the conference once (16 games). You eliminate the easy schedules and unfair situations where a team with a better record doesn't get in the playoffs over a division winner has less wins.
Do divisions make any sense when you only play 6 out of 16 games against divisional opponents?
Play Pre-season games against the other conference to add interest.
The Superbowl would really be conference against conference.
Competition would really force the 2 L.A. teams to develop strong franchises in the L. A. market (don't move a weak owner there).