Welcome to the forum ab030.

Having all 3 front speakers the same is ideal. However when you are deciding with placement of the M2 bookshelf as a centre speaker you have to keep it in a vertical orientation (as it was designed) for best results . If you can place a M2 right on top of your television or wall mount it slightly above that would be the way to go. If you have to go with a horizontal placement then the VP100 would be the way to go. The EP350 is also a excellent choice.

How big is your room btw?

Cheers!

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne