Should I see Billy Elliot or Wonderland on Broadway?

I cant decide which one and i can only see one!Should I see Billy Elliot or Wonderland on Broadway?
If it is between the two, see Billy Elliot. Wonderland is still in previews and is having a little trouble getting themselves sorted out, to put it nicely. Billy Elliot is a wonderful production.Should I see Billy Elliot or Wonderland on Broadway?
See The Book of Mormon if you can. It opened today to fantastic reviews. Ben Brantley simply adored it.