This thread has sadly seriously deviated from its intended function. If you want to have a chat fest fixing issues make a thread for that. As a showcase for awesome theaters this thread is going to be useless.
I definitely hate being the guy talking folks out of HT upgrades but I cannot for the life of me figure out what you hope to gain from having more than an already existing and awesome 15" sub today in a room that size. If you aren't getting enough juice out of a HTF15 there is something...
My "slightly higher than best bang for the buck" basement aerie.
Older projector in pic, currently running a JVC X-790R / 540 from Value Electronics to a no frills 120" mounted screen. As much as I love front projectors they just do not do HDR as well as OLEDs and think my next upgrade will...