I've never had an issue with my VP150 and my M60s.

Keep in mind that even if you use 3 identical front speakers, they're likely to sound different on test material just because of different room reactions, proximity effect variables, etc. It's not something that you would normally hear with program material, however.

As the room and the placement of the center have such a large effect on the sound, I would just try a VP150 in your own room. That's why the 30-day trial exists...

::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::