I would say look at what features are important to you between the two. You might want to look into the difference between YPAO and MultiEQ. I don't know which one is better. I have MultEQ XT32 on my Onk and I can't say enough good things about it. It tamed my EP600 and my room. It has great control over the M80s in my 4800 cubic foot space.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated