I didn't like the dance central demo, it was too fast. I do enjoy dancing in the square of Your Shape: Fitness Evolved tho. It looks alot better. I was doing that, YS, for a month then got busy and never got back to it. I enjoyed the workouts and the mini-games.
I just haven't seen a game i'd be interested in, but i've heard good things about Children of Eden and i think i'll rent that to tide me over till BF3 comes out.