First I am a big G3 fan they are a very stand- up company, great customer service! The G3 Ascent Bindings are a revolution in Tele Touring. I didn't know how hard I'd been working until those first few steps in the new binding. Perhaps 30% less effort. Trail breaking in pow is a new experience, no more submarine tip they simply float to the top with each step without that thigh pull up. And then there is that little AT kick back and turn ankle turn for the switchbacks!!! Initially there was some sticking when changing modes, I found a good squirt of "White Lightning" Chain Lubemade the whole thing work like a swiss watch. Descending is pretty good too. In the Pow and tight trees I didn't noticemuch difference with the 40mm rise and "wedge". I haven't tried the BD binding. For anyone who "earns their turns" this is well worth the money! If you are always way ahead of your friends on the uptrack disregard this review.