I liked both but I thought Wyatt Earp was better. Even though it probably wasn't realistic at all, it felt more realistic. I think the acting (other than Costner) was better. It's funny, I like some of Costner's movies but I am always aware of his acting. I don't think he is a bad actor I am just aware of it and that kind of takes me out of the movie. I thought Dennis Quaid was fantastic.

All of that said, I would watch nearly any Clint Eastwood western first if given the choice. Unforgiven... when you know the actors and you still buy them as characters... that is awesome.