I'd say it depends on the size of your room. I have the exact same setup - M60s, QS8s, a VP-150, and an EP-350. In my 18x12x10 room, it does the job perfectly well. I'm sure others will have their own thoughts. And, as always, YMMV!

Enjoy the speakers!

---- A Woofer in Tweeter's Clothing... M60s, VP150, QS8s, EP350 Onkyo TX-SR702, Denon DVD-3910