Ebert and Roeper movie review podcast when they discussed this movie, and they said it was like two movies, the first half all sci-fi and the second half all action, and they were right on. I liked it a lot -- the future it was set in is very believable, and the action scenes are fresh and exciting. The theme of the movie is similar to Gattaca, dealing with the choices humanity will be faced with as science and technology progress.
****/5
