Originally Posted By: pmbuko
The primary difference between the M60 and the M80 is that the M80s play cleaner and louder and can handle ungodly amounts of power. The times when you feel like saying "To hell with reasonable listening levels! I want to hear my music really loudly in the bathroom on the other end of the house!" you will be glad you have the M80s.

I'm back to waffling on M60 vs M80 myself, having read some claims that the M80's actually need to be played loud to sound good. Le Sigh.