Well I think with panels break in makes sense. Also - I am muddling with placement and the 20s are so sensitive to that it can be the difference between harshness and juuussstt right.
I have been playing with toe in and the differences are unbelievable from having voices recessed down a hallway to placed in the plane of the speakers.
I was concerned initially because voices just sounded harsh. Not anymore since I fixed toe in.