What is the location of your left/right m80s? For the best experience, you want the tweeters of all 3 to be at the same level. This may not be possible for you though.

Bring on the pictures.

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