I don't know if your living space can accomodate, but Vandersteen 2CE signatures and Vandersteen subs together can be quite satisfying and not too hard to drive. You need to be able to pull the speakers away from the wall by a couple of feet though. I've been impressed with this many times. You may want something more detailed though, given your enjoyment of B&W's. Something to consider.
Are you using fully digital sources or do you have any analog sources? That could affect the W4S recommendation above.
Are you using fully digital sources or do you have any analog sources? That could affect the W4S recommendation above.