Thanks for the kind words, everyone!
Yah, the ceiling is one of the best things about the room - naturally sloping up away from the mix position, lets me treat the ceiling pretty well.
I've got some crazy ideas about the Helmholtz resonators that I'll be building -- I think I can make some units that will be especially smooth across the entire range by splaying the slots like John did for Left Bank, but done in a way that lets me cut all the pieces in a big batch so its not prohibitively time consuming to build.
-lee-