There is a SoundStage review by John Crossett where he compares his LS-17 and 4BSST2 to the DSI200. He describes the DSi200 as more coherent and having a midrange richness, and a definition to the music that the ARC-Bryston couldnt quite match.
Here is the link. . .
http://www.soundstage.com/equipment/arc_dsi200.htm
Here is the link. . .
http://www.soundstage.com/equipment/arc_dsi200.htm