Ya, I supose the M2's would be a more ideal match.

I'm wondering if Q's wouldn't be better after reading this at the Dolby web sight.

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Because it processes only nondirectional sounds for the height channels, Dolby Pro Logic IIz maintains the integrity of the source mix, so the effects are always appropriate to the material. This added dimension complements the sound from the rear surround speakers, increasing spaciousness while staying true to the original intent of the content creator.

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"Non Directional". Wouldn't that be better suited with non directional speakers like the Q's?