Movies: What's a film that you think should be on the imdb top 250?

Here it is: http://www.imdb.com/chart/top

I think Titanic and Sound of Music should be on the list due to their
historical importance, and plus they are great films :)

So... what films do you think should be on the imdb 250?

BQ: Can you name some films that you think shouldn't be on it?
BQQ2: Last good film you watched?