(Yes, I know it's "en pointe")
Criterion's first 3D Blu-ray release is the ambitious, beautiful, and deeply moving dance performance art documentary (ish) hybrid Pina, from the great Wim Wenders. One of my biggest missed-in-theatres regrets is now on my shelf. I'll have to revisit it if/when I get 3D capable equipment.
My favorite and most unique college film class experience came from taking Dance in the Movies, taught by an amazing dance historian, critic, and professor: Dr. Sally Sommer. I can't calculate how much I owe the person who introduced me to Madam Satan and so many more, especially Saura's Carmen and Jamaican sensation Dancehall Queen.