These have gotten rave reviews:
http://www.tektondesign.com/seas-pendragon.html
I follow this guy's site quite a bit, and he's written a glowing review of the pendragon:
http://parttimeaudiophile.com/2015/0...eas-pendragon/
He also has a list of equipment that he calls references, and always has nice things to say about Rogue Audio's amplifier products:
http://parttimeaudiophile.com/references/
Admittedly, the audiophile world has radically different meanings about the word "affordable" so I'll just leave it at that.
