Hey Bill, I'd recommend the M5's and VP160 or VP180 for that space. On-walls look and sound great. Check out the gallery section of this forum (I just posted pics of M5OW with a VP160).

You may want to opt for some external amplification if your Denon has pre-outs.

Axiom M5HP VP160 M3 ADA1000
Anthem MRX 720
SVS SB-3000 (dual)