Mik971, I would imagine that your setup would work nicely. According to the guys at Emotiva, keeping the XDA-1's volume at a minimum of 60 should get you very good sound quality.
Mrtennis, what did you compare the XDA-1 to, in your system? I think that the XDA-1 is pretty good. Yes, there could be more body. There could be more detail. There could be more air, but it handles the mids nicely and has a good bottom end. I didn't find that it lacks body at all.
Still, if you feel that the XDA-1 lacks body, you may not like the XDA-2 at all. Based on what I've read, the XDA-2 has a bit more detail and more air, but at the expense of sounding a bit leaner and lacking a bit on the bottom as compared to the XDA-1.