I am actually going through something similar myself. I have a Naim XS which I enjoy greatly. I also have ARC Ref3/Ref110 gear. When I put in the ARC gear, while it is obviously more detailed, open, and transparent, I just don't get as involved in the music as with the little Naim. With the Naim, at the end of a song, I could tell just how the piece flowed, what little musical nuances there were, whereas with the ARC gear at the end I really couldn't tell you much musically speaking, just details about the details. I am actually selling the XS (probably a mistake) to move up the Naim chain to see if I can get it all at a higher price. A bit frustrating for me. Once you "get it" about the Naim experience, and find it suits you, nothing else will quite do as well...