For what it's worth, here is a recent ASR review of a B&W 805S bookshelf speaker. This model is not a recent B&W product – it has the abandoned yellow Kevlar mid-woofer. It's performance, in the opinion of the reviewer, is less than stellar. I agree.
The high resolution acoustic measurements reveal the problems that plagued B&W's Kevlar driver, and their unreasonable insistence at crossing it over to the tweeter at such a high frequency.