When I was searching for a listening chair years ago some unorthodox types seemed at first blush inviting. I thought stressless chairs might be very enjoyable. However, I saw that they inclined the body such that the ears were not in optimum position for listening, so they were rejected. It can be a task to find a chair which is comfortable but does not put you to sleep. I certainly would not enjoy a chair which every time I sat down to listen knocked me out! I want to be alert, not anesthetized. I put enough time/money into systems that I want to hear them, not sleep through their performance. So, beware a chair that is TOO cushy.
I find that I can live with a chair that is a touch less cushy if it has an ottoman. Putting my feet up is as important to relaxation as anything. :)