If you want FreeMotion, buy a real FreeMotion. They start at around $3800. In all fairness, the t5.6 is a much better attempt than the t5.2 but if you want a really nice tread, the t5.8 is unique. Expect the glitches normally associated with Icon.
An updated version of what they sell in mass retailers. The new HealthRider line looks amazingly similar to these and sells for quite a bit less.