Shawn Hoefer has a Top Air thread. Have you seen it? He's got a list and trying all of them with his assessments. Might help with your decisions. BTW, I'm enjoying the Elevate. I feel that it fits the description of slightly restricted. I don't care for the feeling of trying to inhale all the oxygen on the planet, if that helps!

. I’m going to disassemble, wash and go search for a video. I’ve checked orings, wicking. Grrrr