I saw a cool 3d trailer at the 3d showing of "The Nightmare Before Christmas". The new film titled "Journey" is due out in Summer 2008. The 3d trailer includes a scene where they fall through the floor of a cave.....the 3d is fantastically done.
Synopsis: On a quest to find out what happened to his missing brother, a scientist, his nephew and their mountain guide discover a fantastic and dangerous lost world in the center of the earth. **On a special trip to Iceland, a scientist and his nephew become trapped in a cave after a storm. They soon figure out the only path to safety is through the centre of the Earth. Mark Passerby, Cavediggers.com