Movie Landmarks for CGI Effects?

Daniel German asks: "I am in the process of preparing a lecture on the influence of computers and computer science in the movie industry. I'd like to include excerpts from the most important landmarks, and in order to give credit where credit is due, I'd like to ask for help from the Slashdot community. What are those movies and moments? The Westworld robot vision; the city landscapes of Blade Runner; Final Fantasy; Toy Story; the water beings from The Abyss; the starting sequence in Forrest Gump; bullet time; and so on. What do you consider to be the scenes that have become landmarks in computer generated special effects in Movie History? I am not only looking for Science Fiction, in fact, I'd like to have a wide range of examples on how computers have altered the way that a director can bring his or her vision to the screen "