I have upgraded my HT receiver (it is an Onkyo 876). It pushes 140 watts per channel. Now I want to upgrade my speakers. I am building a Rythmik DS1500 vented box with a H500peq. I am in transition to a large room (around 7000 cubic feet). My budget is around 2k for speakers. I would like to purchase the LCR and QS8. What am I missing if I chose the M60 vs the M80? Would my receiver drive the M80 fine?

Thanks for your help