I am very lucky to enjoy the famed Maggie/Bryston synergy in a very large yet asymmetrical room with TWO sweet-spots (third-wall reflections). Heaven!

But the downside is very difficult speaker placement (basically none of the "Speaker Placement rules of thumb" seem to apply.

PLUS, having basically no side walls of course results in poor imaging, balance and other issues.

BTW, that synergy is REAL...