Of the speakers that you mentioned, I recently demoed the PSB Synchrony One and Vienna Acoustics Beethoven Baby Grand. I also listned to the B&W 805S, 804S, 803S, 803D, and 802D along with about 40 other speakers. I own the B+W 803S. As to your price range, if it is any help, I was fine with going up to 15k for passive speakers, did not hear anything that sounded that much if any, better to me, including the 803D and 802D. The 804S is not a far step down from the 803S but your room may be a bit large for that speaker. Additionally, the difference in the weight spec between the 804S and 803S belies a significantly different cabinet construction - a pair of 1/2 larger woofers do not account for 30 pounds. The PSB Synchrony One sounded very nice - heard it driven with a Mcintosh 402 and with an Audio Research (although I don't know the model) on separate occasions. The Beethoven Baby Grand was also a fine sounding speaker. My tastes are 99% classical and opera with an occasional classic rock CD thrown in, not too dissimilar from yours. It sounds like you have a nice lineup of speakers that you are considering, I doubt that you can go wrong with any of them. You may want to take a listen to the Dali MkII 400's - I was highly impressed - just could not get past the ribbon technology - but that is not because I think the technology is necessarily inferior - more of a personal bias. Same thing with Martin Logans and the Magnepan (3.6 I beleive was the model - couldn't find their high end model anywhere nearby) If your room is highly reflective I suggest, if possible, finding a dealer that will allow for you to demo the speakers in that room. For what it's worth, a lot of posts in various threads remark that B&W's in general are somewhat accentuated in the high midrange and above frequencies. Room acoustics are certainly a huge factor in speaker selection. Of course room acoustics can be adjusted and such adjustment need not involve the purchase of specialized or expensive treatments. Have fun and take your time.