Go to a place like Fitness Depot and try them out. Generally you want one with ample horsepower for running (many people buy them for walking, so make sure you tell them what speeds you will be running). I wouldn't pay anything under $2000. My father has one of the Pacemasters. Precor and Lifefitness make ones for
gyms, and Precor makes ones for home use. You don't need a gym-...