seewhatididther, did you get and set up the Luna's yet? Did you go for RAAL or dome tweeters?
I did make one upgrade you might consider - I got an ArcX + ARC Studio DSP module. You have choices on sound shape, and can even dial in your own ... once calibrated, my whole setup now goes to '11'! Really, it brings the speakers and the music up to another level. I can't say if it's better or worse then a minidsp / dirac live set up, because I've never used one. But man, it really creates more accuracy, more separation and a better soundstage. It simply gives the music more 'life', and certain instruments really come into focus - it's like focusing a pair of binoculars that you can already see birds out of, but now they are a little closer and you can count the feathers. I thought the Luna's sounded great already, now they sound simply amazing. And, you can easily A/B it (vs no Arc) with the press of a button. That let's you easily decide if you like the original or room-corrected ARC sound for yourself. I was sceptical, so i did what I do in all such situations - I bought from Amazon, figuring if I didn't like it, I could return it within 30 days. But no, this one's a keeper.