I started off with the wii because it was the only one with the exercise games (other than dance dance revolution). I disliked how the controllers limited your options, but I accepted that it was just the way it work. Then the kinect came out for xbox so I switched over. It may not be perfect either, but was definitely a step (or several) in the right direction.
I have/had several of the xbox workout games (zumba(s), dance central(s), biggest loser, ea active, ufc trainer, and your shape evolved 2012). I prefer the YSE2012. The UFC trainer was also good set up wise, but may be too advanced for me (I felt crippled for a week after trying a "beginner's" workout, and didn't go back). I have been considering going back to YSE2012 or the UFC one for strength training and using my Zumba and Shaun T's Rock Your Body dvds for cardio/fun. That way I can use the xbox (I just like the idea of it) but at the same time, not be so annoyed with having to rearrange the furniture every day (size of workout space in living room).
We have an playstation as well, but we never got the motion set up for it. I am sure that it works great, but I decided to stay with the kinect and avoid having to hold remotes/items.
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