So it sounds like I should build out the room with all of the soundproofing and see how it sounds. I'll try the balloon trick first. Then possibly add diffusers and absorbers. Thanks for all of the information as always.

LFR1100
VP180HP
EP600
M3 In Ceiling x 4
M5OW
M2 - Atmos rears
ADA1500.5
M3 Outdoor Speakers
ADA 1000.8