All-in-one integrated, 10-15K range, class A/B only

Thanks.

A few clarifications about my hunt, based on some of the questions people have asked. I was thinking through it and came up with these.

Why only Class A/B?

I tried a Class D all-in-one, it didn't work out.

Why the price point 10-15K?

The above mentioned all-in-one was in the <10K range, so am curious, what refinements I can get outside this price point. I am sure there are many <10K that would beat that all-in-one, I haven't tried any or all of them yet. But that was why? Perhaps, I think, and some concur, at the 10K level, the league is different. I want to find out.

What Speakers?

I don't know yet. But I want the opposite of Devore O/96, current candidates are: Vivid (cheaper ones < 15K), Magico A series, Magnepan, Verity Amadis S (used only).

So I need a lot of power. My amp should be able to drive any of the above speakers comfortably. 

I am surprised no one has mentioned the Constellation series integrated amps.
Purported by some to be one of the finest sounding integrated amps out there. Within your 10-15K criteria.

http://www.theabsolutesound.com/articles/constellation-inspiration-integrated-10/

Well yesterday I had the chance to sit in the sweet spot between Harbeth M40.2 speakers driven by Hegel H590,cabled completely with some expensive Cardas cables in a dedicated room 20'x16'x10'..I'm sorry folks but my KT88 Cayin has more body,better defined imaging & WAYYY better staging,reaching deeper & farther outside the speakers...The SS rig just never disappeared the way my M30.1's do..

@arro222 , it's not mentioned because it has no DAC/streamer built-in. 

@freediver , yes for me SS typically beats tubes almost always at a far lower cost, but for a second system I would like to try SS for its other benefits. But thanks for the info on the H590.