$2000 CAD or US?

that's a nice size room.

You can mix and match the speakers as well. I'd get:

mains: M60 (if too expensive, M22)
center: VP150
surrounds: QS8's.

as for subs, some people buy from HSU or SVS, but if you want an Axiom sub, get the biggest, the EP350

send me an email if you;d like
rsingh@stellate.com