Reply from Kayla, Age 15 - 3/24/07 - IP#:   bigbb-c77779

I love love LOVE DDR. I'd say an hour on it burns about 100 calories. I don't use it as a workout, but my friends swear by it to losing weight. I would get one with a Playstation 2 and then just get the cheapie mat. Then if you get really into it, you can get one of the nicer hard mats.