I've been doing much better out of SNA v. LAX since they swapped out the 12F 73Ws with 26F 752s. And it is a much more pleasant arrival experience at SNA.
One note is that I cleared at 6 days on the 10:45pm LAX-ATL Monday night last week, which is the 76T with 36F flat beds, and the seat map still showed about 20 open seats up front after that sweep. Might have been a fluke though.