None. 10 Ball gets the job done.
I respectfully disagree
I think 15b rotation is the way to go,,,, efren style of course!
The only way I think 10-ball should be played(at the pro level) is push after the break regardless of a ball goes or not and winner breaks!
Personally, I think there are a few players out there that can move just as good as the top 5!
But don't misunderstand me, I LOVE watching 2-3-4 break and runs,,,, but to the common folk, that gets boring, almost as bad as 1-pocket! But if you push after the break,,,,, that gets people to pay attention more!
Let's watch a match,,,, SVB is up to break, he breaks, gets a ball in and has position with balls spread,,,,, he's out(99%)
Or,,,,, he breaks, gets a ball in, has a shot, but he has to push

I would be in suspense on who would MOVE better personally!
But, again only at the pro level,,, amateur, not so much!
Remember when JB played Lou the 1-pocket,,, that was players we could all kinda feel because there not these INSANE great players, it was actually more enjoyable!
The real "average" player gets bored real fast watching a pro play! But when an A player matching up with another A player, there sweating the match longer(a lot longer)