As an Italian-American who normally has absolutely zero interest in Mafia/organized crime movies, I have to say I think both the Godfather Part 1 & Part 2 are excellent films. They have the scope of old-style morality plays (which some may find heavy-handed, but I think that approach made for an effective presentation of the story).

However. The more I've rewatched them, the more convinced I am that Al Pacino actually isn't very good in them. He really doesn't create a believable character transition from being the son who wanted nothing to do with the family business to becoming the son who takes it over to avenge his father's enemies. He basically plays the same stone-faced, emotionally-removed-from-everything attitude from beginning to end.

Oh, and I'm with Pepe regarding the Star Wars movies. They held no appeal for me whatsoever. The only one I saw was Return Of The Jedi, about which I remember nothing except that it had a lot of computerized special effects. (The Indiana Jones movies, however, were a lot of fun.)