We've been using the treadclimber for over 2 years now and we really like it.  It gives you a great workout without the stress on your knees and feet that you get even from just power walking on the street - much less jogging!  You can watch television while you're working out or listen to your favorite music, which you can't necessarily do if your're doing a workout dvd or video.  My husband and I can tell a big difference in our fitness level since we started using it.  We would recommend it to anyone who wants to get in shape and may not have time to go the gym.  This brings the gym to...