"Basically i need the M80's to give me concert volume...without getting muddy, give me a wide sound stage, produce real life sounding live cd's...LOL Well recorded stuff of course...LOL"

Ummm, based on this it sounds like you have already listened to them? I'm guessing they will blow the polks away, at least the ones I remember from the old retail store days.

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