I think that's getoffb's way of saying welcome Vol. Here's a thought (a couple actually). My sense is that the M40s are going to have to work awfully hard to fill that space and make you happy you got them. I'm guessing that M60s are the right answer and the Qs4s/VP100 should be fine.

On the home page there is a Home Theater Wizard. Spend a few minutes and run through it. Also, and most importantly, call the Axiom guys. They are great to work with. They will walk through a selection process with you and give you the absolute straight skinny on the right speakers for you space.