I've been going for about 3 months..so far have lost weight and can see new muscles...Kind of a good kind of addicting with the pace and computerization. Little pricey, but I always get a good workout and really seeing results. And the computer checks on you if you don't show up for a few days (about a week). I like the motivation and being able to follow online. It is almost gamelike. The machines are like nautilus but really keep you moving...which is always a good thing...