Yes the m60's have great low end, almost the same as the m80's. Also, don't worry about the Onkyo driving the m80's, should be no problem.

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