Denon has been one of the recommended receivers for m80's for over 5 years now. I have the 2805 and many have older models with no problems driving the 80's to sonic bliss.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85