Trav, welcome. I'm essentially in agreement with Brian and Bruno on this: I'd suggest that you consider M2s across the front if you'll be using a good sub. Also, QSs should be definitely given the preference for your side surrounds for their greater surround spaciousness.

You haven't fully described your setup, but it appears that you may be somewhat over-buying the amplification relative to the speakers. A mid-range Onkyo model such as the 708 or 808 should be entirely sufficient in most cases.

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Enjoy the music, not the equipment.