The frequency graph for the EP800 sure looks delicious, but it is expensive and big. I spent $2,500 on M80s + VP180 + QS8s and now I need to spend that much again to get the last 15Hz?

However, I am not sure what features I should be looking for.

My room is 23 x 21 x 8.75 = 4,226 cubic feet. In one corner there is a 6ft wide opening into another large area.

I would prefer musical accuracy and bass tightness over movie LFE loudness if I had to choose.

What questions should I be asking?
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Axiom M80s + QS8s + VP180 <-- Pioneer VSX-1120-K <-- Squeezebox Touch / XBox360 / Oppo BDP-93