Sonus Faber & Nautilus Set Up. It's tough to synchronize gain control on B&W, but after a few weeks of tweaking, it has become a marvelous speaker. I found Stradivari to be a better speaker in many dimensions. A bit dissapointed at B&W's depth of bass, but still beautiful to look. Great WAF!
I heard the Nautilus properly set up w/ 8 monoblock amps and it was the finest sounding speaker system I heard, better than AvantGarde Trio. As I understand it B&W uses Classe to voice their speakers. Have you contact B&W and ask for their recommnedations?