Am I done yet? LOL

Things are sounding pretty good at the moment. The Dynaudio Contour 30i speakers are the latest addition and are working better in this room than the Maggie 3.7i speakers were. 

Usually, when I ask the wife to come listen, she'll sit for a song, maybe 2, then make a "that's nice" type a comment and leave. With the Dynaudio speakers, she stayed, and played song after song. She listened for over and hour and said she really really liked these speakers. Great to know the wife was pleased.  

But the audiophile in me feels like there is more to be had. The amp & pre-amp are on my radar as the possible candidates for improvement. Any opinions on where to head next? (There's always a "next" isn't there?)