Unless you listen at extremely high sound levels, I think that you will be surprised at how easy the M80s really are to drive. I used an old Kenwood and now a new Onkyo to drive mine and they sound just fine.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV