Speaker match for MC275


I have a pair of Martin Logan SL3s hooked up to MC275. I bit the bug again and am thinking of changing out the speakers.

In the running are B&W N802, Acoustic Zen Adagio, Dynaudio Contour S 3.4, and Kef XQ40, in no particular order.

I listen to Classic Rock, Jazz, and Classical. My budget is around 4-4.5K. Any suggestion / help would be greatly appreciated.
husaskin
Add a Tannoy Prestige Turnberry SE to this list. It is one of the most mesmerising combination with the MC275. Even the Stirling SE is nearly as good.
I had an MC275 with Turnberrys. Sounded pretty good until a GL KT88 blew. Why not keep the speakers and replace the amp?
Another vote for the Tannoy Prestige range with the MC275. Will be supremely musical if that is what you are seeking.