I have run my M80s just fine on a 75wpc receiver set to 8 ohms and now with a 140 wpc receiver set to 6 ohms.
Ken, as a side note I would be very interested in knowing the difference in the sound you had experienced going from the lesser receiver to the more formidable receiver; especially for movies.
I ask because in my future set-up I was going with separates along with a pre/pro. Financial reasons, along with doing the video side as well (at, or maybe just after completing the audio set-up) has got me re-thinking. I'm now going with a receiver that puts out 145w per channel with two channels driven. I also will be incorporating M80's into my 9.2 set-up.
