Thanks for all the info and opinions. I admit I have a case of upgradei itis and am approaching this with caution. I am also considering Magnepan's new X models from which I have heard very good reports.
Tubes and less sensitive speakers
I love the sound of tube amps but I use Maggie 3.7's. I have tried an 45 watt tube amp and while I loved the clarity of midrange, I missed the low end slam, even with a sub. Is there a tube amp out there that matches well with Magnepans? I am using the Hegel H360 and a friend recommended Coda high current amps but I still am thinking tubes.