Best integrated amp for 10K


Currently changing system to match new Quad electrostatics. Looking at tube amp/preamps to match with Quads, but concerned over limited space in home theatre cabinet. Heard great things about VAC Sigma 160i and Ayon Audio Triton III integrated amps as being fabulous for the money. Budget around $10k. Any thoughts from people with these 2 units as to matching with the Quads? Any other options?
blink123
The Atma-Sphere M-60's can be upgraded with internal volume control. If you have a single source system this could be an option.
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Can someone explain why the cult following with the Quads and Atma-Sphere. I'm surprised to consider the Atma-Sphere OTL ideal at all, considering the Quads have impedance fluctations from 4 - 15 ohms - not exactly what I think an OTL would like to see.
My take on the Atma-Sphere 'sound' is that it is very fast with lots of transparency, but not sufficient dynamics and meat on the bones.
Also, how important is having Class A vs. Class AB. Obviously there is no crossover distortion with Class A, so how do VAC and others get around this with such success?
Does this give units like the Ayon Triton III and Luxman L-590AX a theoretical advantage from the start?