I think bouts should be scored the same way as TUF, first to win two rounds wins, 3rd round is only necessary if it's 1-1 after the first two. This will inspire aggression because you have less time to impose your will and if it goes to the 3rd, you know you've lost a round and need to pull it back.
Title fights/Main events will be first to win 3, so that's a possible 5 rounds. If fighters can guage what's going on on the scorecards a bit, they won't coast a fight and then moan about the verdict afterwards so often. If it goes to 3rd, 4th, 5th rounds, they know the fights is scored evenly and they need to do something to tilt it in their favour.
This may seem like it'll still aid point scoring type fighters, but it'll add a small feeling of urgency right from the beginning, which will make things happen. Only thing I can think of until a complete good set of judges is in place.