See it. I was two when it came out, and it still holds up today. Jack Nicholson was fantastic, as was Faye Dunaway. Stunning bit of film noir. The story is well constructed and there never is a scene that drags or isn't balanced.
"Purgatory's kind of like the in-betweeny one. You weren't really shit, but you weren't all that great either. Like Tottenham."
I'll try being nicer...if you'll try being smarter.