Best Science Fiction Movie ever

The top 10 looks like this :
1. Blade Runner
2. 2001: A Space Odyssey
3. Star Wars (A New Hope - Episode IV)
4. The Empire Strikes Back (Episode V)
5. Alien
6. Solaris (original by Tarkovsky)
7. Terminator 2
8. The Day the Earth Stood Still
9. War of the Worlds
10. The Matrix

any of your favourites missing ?