From the Nike+ wikipedia article(http://bit.ly/aJ9u0U http://bit.ly/aJ9u0U): As of August 2008 "Nike+iPod for the Gym" launched, allowing users to record their

From the Nike+ wikipedia article(http://bit.ly/aJ9u0U http://bit.ly/aJ9u0U): As of August 2008 "Nike+iPod for the Gym" launched, allowing users to record their cardio workouts directly to their iPods. No Sport kit or shoe sensor is required; [..] The models of compatible cardio equipment include treadmills, Stationary Bikes, stair climbers, ellipticals, and others such as Precor's Adaptive Motion Trainer (AMT).