I've owned M60's with a VP150 in the past and currently have m80v2's with vp150v2's and have never had any issue with timber matching or voice changes. Most of the dialog comes from the center channel, not the left/right, that is the point.

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