Dont buy the KEFs until you listen. To my ears they sound pretty dull.
Have some fun with bookshelf monitors!!
This is ANOTHER what speaker should I buy. But here is the thing. I might have a speaker problem......
I currently own the following speakers: Dynaudio Evoke 50s (my main room) driven by Prima Luna, Watkins Gen 4 (secondary room) driven by Cary amp, Harbeth P3ESR (office) driven by retro Grant Fidelity tube amp, and Wharfedale Evo 4.2 (home theater) driven by an NAD AVR. If you ask my wife that's about seven too many speakers.
BUT
I have a new large room, lots of glass, 10' ceilings, and have to use an NAD 3050 amplifier. Speakers have to sit on a bookshelf, have a wood or white finish, and most importantly be interesting!
SO...
with a $5,000 top end (and goal to be half of that) tell me what you buy.