I read a review today indicating that the new Rotel 1550 AVR is rated at 75 watts per channel into 8 ohms. The review goes on to say that the receiver is not rated for 4 ohm use. Does this mean that its OK to use this receiver with 4 ohm speakers but the receiver wasn't tested for them and thus is still unrated? I believe that this receiver is capable of driving M80's. What is your opnion? See http://www.rotel.com/content/reviews/15%20series/rsx1550-equip_rotel_cm.pdf Thanks...Lee