I too was steered towards the VP100 over the 150 since I bought M60's and M2's (yes, I know how wonderful the QS surrounds are, but I'm a direct-radiating rear kind of guy according to my girlfriend). I was told by the very friendly Axiom people (don't remember who) that the 100 was the best match for my system. And I am more than pleased. I can't see upgrading these speakers for MANY a moon. The electronics, however,...