Awaiting the arrival of my M3's, and was wondering if the whole Timbre matching thing is legit. It seems logical...you want all the speakers to sound the same, but I have heard from a lot of folks that "having all your speakers the same is not a consideration". Which is it? I am contemplating completing my system with Axiom center and surrounds (I assume all Axioms are timbre matched).

Let me also say that my speakers are not going to be complete symmetrically positioned...my living room has a big brick fireplace in the middle that prevents this.

Thanks!