When i was in oversea I used to own a pairs of 602 S3 powered by Rotel RSX 1056. I then demoed a pair of CM1 using the same receiver and felt that, despite less efficient, CM1's sound is more refined than 602 S3, especially in high frequency. Now back in Malaysia, i am starting from zero again. Looking for 685 in the next year or so...
Bowers and Wilkins Owners Thread, Discussion on B&W speakers