I'm already in Nike Training Club at the University of Texas so this is a natural supplement to that program.
Highly recommended! I work with this on a daily basis and it blows away any other competing fitness software for the Xbox 360.
The exercises are tailored not only to your current fitness level, your age, your weight and height but also to your goals for things like weight loss, muscle buidling or cardio improvement. And you can workout in teams either online or offline with a partner.