New Speakers under consideration - but I’m afraid

Absolutely.... your kids will sell it for peanuts when you die anyway!    Enjoy now.   It's like having a classic car you don't drive.   Why save it for the next guy?

@OP There are a lot of used Wilson speakers around because people upgrade to newer Wilsons.

On B&W's - there's no guarantee you will like the latest generation better - they are certainly not a speaker I would choose for chamber music.

Magico A5s are worth listening to - more evenly balanced that D4 B&Ws but somewhat similar in character.

Personally, I would prefer the Sasha DAW but, while the thread is not about digital, I would not compromise the budget for a digital front end upgrade because, especially with more modern speakers, you are really going to need it.

In fact, I would suggest looking at that before changing speakers at all.

My pick would be Joseph Audio Perl. Kharmas are also dynamic with a good authority. Dynaudio confidence 50 should be also very good. I would look YG or Rockport over Wilson or BW. Later brands looks beautiful but the sound never moved me. 

Its SO subjective but as a rule: Wilsons are holographic, B&Ws are rowdy and in your face, and I've never heard Borresons so I can't opine. 

One poster mentioned Maggies. I 100% agree. Get the 1.7s with a pair of REL 7 subs. It's transformational.  

A few days ago I took the opportunity to listen to a dSC > Burmester (hybrid) > Magico S system, and it was exceptionally good.  Musical, and not fatiguing - among the very best digital SQ I have ever heard.  I tend to listen to vinyl, and this system sounded that good...

So I agree with the earlier comments stating that the Magico speakers are accurate and extremely revealing (compare to many other brands of speakers), so your font-end needs to be up to the task. 

You will hear it all, the good and the bad.  Isn't that what generations of audiophiles have been asking for from manufacturers?