FWIW at $5000, the ATC SCM20-A2 should be on your shopping list, some things I know for certain, no speaker currently mentioned can play louder with less distortion and has a better phase and amplitude response. Now the only question is will you find them musical to your ear as some of the others.
Seas Excel Tweeter on board
I am an ATC Dealer
Seas Excel Tweeter on board
I am an ATC Dealer