I am using Audio Envy throughout my system, M3T driven by Cherry amps, with a tube pre, Aric Audio, and phono stage, Tavish.
Audio Envy is a great product, open, clean, and has great synergy with my system. I have used several cables, these are far and above the best. The owner, Cap, could not be any more helpful or pleasant to work with. Don't let the reasonable price imply that they are not amazing.