Lord of The Rings
Lord of The Rings was pretty good. I hadn't read the first book since sixth grade, so I had forgotten almost the entire story, and yet most all of it made sense. The computer graphics were good, but not great. About 3/4 of the shots look computer generated, and the lighting is pretty bad on a few scenes, but overall it paints a rich tapestry of a fabled land. Of course, it helped to have a level-5 Tolkien geek at my side (Kay) to explain what minor differences existed between the book and the film, and what to expect in the next film.
It was even good enough to get a MIT hack done in honor of it.