Did you see the comments by Jeff Fritz of Soundstage? I'm an Avalon owner but am looking for other options.
http://www.ultraaudio.com/index.php/letters-menu/412-new-speaker-comparison-rockport-atria-and-avalon-compas
http://www.ultraaudio.com/index.php/letters-menu/412-new-speaker-comparison-rockport-atria-and-avalon-compas