I can get the Denon AVR-4311CI brand new for $1600 shipped from authorized dealer.
DenPureSound got his for $1500 shipped brand new.
crap I paid $1700 for mine.
This XMC-1, I'll give it 4 months after it gets to the hands of users, and after the updates that will follow before I will make a decision. I just remember the issues with the other Emotiva processor ( I had two and both went back). Software updates, well it's the wave of the future with all the bells and whistles in these AVR's you should expect updates to fix bugs and keep up with the ever changing market.
Regarding the Tact room correction, until someone actually does valid comparisons between Tact, Audyssey, YPAO, ARC the all are about as good as the other. I have had YPAO and Audyssey xT32 in my room with the same speakers and with my ears I couldn't tell any difference after the calibration.