have u already purchased the speakers. What is your usage.
I have heard some of the MS subs, wasnt impressed, if you havent already purchased, maybe you can get a better sub for the money.
If music is a significant part of usage, you might be better off with a cheaper AVR, like yammy 667 or denon 1911 or 2311 and get an integrated amplifier for music in the same budget.
whats your budget by the way.