Searching for the most "accurate" speaker (below 15K)


I’m looking for the most accurate and resolving speakers (budget is <= 15K). Paradigm Persona 3F, Kef Reference 3 or Focal Sopra 2 are some of the options I can think of. Any opinions on how these compare? Should I had other options to this shortlist? The amplifier is the (absolutely extraordinary) Nagra Classic AMP.

Thanks! :)
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I have heard amazing things in terms of accuracy and transparency from these: http://www.decware.com/newsite/HDT.html

I have the Decware HR-1's which are absolutely mind blowing.
I would add the Joseph Perspective to your list.

DeVore Gibbon X could be one to check out as well.

(***dealer disclaimer for both of these brands)
Thank you all! I live in Portugal and brands like Joseph, DeVore or Decware are not available around.

Regarding the GoldenEar Reference, it happens that I own the Triton One and I do respect the brand a lot. But the fact is that, as I've improved the electronics their limitations became evident. Also I need a speakers who interacts less with my smallish room (and the GoldenEars do interact a lot)
Oran, I will check the ATCs ... regarding their active designs, do you have any opinion? 

Cheers