This is a review for the 3D version of A Christmas Carol. I was astounded by the 3D in the film and I would recommend it because seeing it in 3D is worth the experience.
The only other 3D film I've seen is Journey to the Center of the Earth and there is no comparison. Director Robert Zemeckis seemed to have a handle on how to effectively use 3D and not let it get in the way of the story. A few scenes got "oohs and aahs" from the audience. I thought the CGI in the film though was uneven. Some of the scenes, the closeups with Jim Carrey and some of the other characters, looked very realistic. But others, such as the chase down the streets at the end looked flat and unrendered. I suppose it could have to do with technical limitations. Anyway, there are enough visuals in the film to please most anybody. Seeing it snow in 3D was worth it. Based on this movie I am definitely going to see more 3D films in the future.
As for the content of the film itself, everyone has probably seen A Christmas Carol before and the story is the same as it always has been. Jim Carrey plays many roles including Scrooge and all three of the ghosts. He manages to have his humor come through even though he is mostly CGI. The "candle" ghost is particularly amusing as is the ghost of Christmas present. Gary Oldman and many other well known actors are in the film but it is hard to tell who they are because of the CGI and effects.
The film showed previews for two other 3D films that looked spectacular: Avatar and Alice in Wonderland (Tim Burton.) I think I've just seen the future of films and it's 3D. It's only a matter of time before someone makes a great work of art using 3D. It may take a few decades but it will happen. One other thought: if someone makes an R rated horror film in 3D it will probably give people heart attacks. The 3D effects are just too realistic and they are right in your face. I'm not sure I would want to see one of those.