A followup question. Again, please keep your answer spoiler-free.

For those of you who like 3D movies in general, would you consider this movie one that is worth the added expense to watch in 3D? In other words, do the 3D effects seem like gimmicky add-ons, or do they really enhance the movie-going experience? FWIW, I've only ever seen one 3D movie, and that was a cartoon, specifically "How to Train Your Dragon." It was a fun novelty experience, but I am ambivalent about the 3D experience in general -- if it is used to good effect throughout the show, it might be worth it to me, but if there are only a few scenes where it really matters, I'd just as soon not have to deal with the 3D glasses. (I already wear glasses to begin with; wearing two pair at once is a bit much.)

Thanks,
Lynn