The Life Fitness X3 elliptical trainers are what other ellipticals strive to be. These are quality machine that are built to last and to provide the best elliptical workout possible.When I tested the X3 and wished I immediately wished I had an extra $2,700. I just got off a Vision Fitness elliptical. Vision builds a nice machine, but the Life Fitness X3 is in a whole another category. — The elliptical motion is about as smooth as it gets, and talk about quiet. Even when I adjusted the resistance I couldn't hear any noise. — Life Fitness is about superior engineering and design.… read full review »