1. The Godfather
2. Star Wars
3. Taxi Driver
4. Rocky
5. A Clockwork Orange
6. Alien
7. One Flew Over the Cuckoo's Nest
8. The Godfather: Part II
9. Apocalypse Now
10. The Exorcist
11. Jaws
12. The Deer Hunter
13. Young Frankenstein
14. Chinatown
15. Annie Hall
16. The Sting
17. Dog Day Afternoon
18. Network
19. Manhattan
20. Barry Lyndon
21. Harold and Maude
22. Papillon
23. Fiddler on the Roof
24. The Conversation
25. Dawn of the Dead
The movies that didn't make it into Mojo's top ten, but did make it into IMDB's top 25 seem to be the most discussed on this thread.