These are some of the best sounding speakers I have heard to date. A note though, that each of these systems will only sound as good as the room they are in with proper setup and proper equipment (Synergy)
JM Lab Grand Utopia BE
http://www.focal.tm.fr/catalogue-fro...3&idProduit=64
Martin Logan Statment E2
http://www.exclusive-life.de/eng/Art...logan_eng.html
Martin Logan CLS (I, II, IIz) - A more cost effective ML speaker than the E2 which can be used very effectively in "real" home sized rooms
http://www.stereophile.com/floorloudspeakers/650/
Wilson Audio - Watt/Puppy 5's (have not liked them since 5) with Cello Electronics
http://www.stereophile.com/floorloudspeakers/477/
Legacy Audio - Helix and Whisper
http://www.legacy-audio.com/spkrmain.html
Infinity IRS V's
http://www.infinitysystems.com/home/...=US&Region=USA