When one lines up comparisons then one will obviously list Dreamscape, The 13th Floor, Dark City, and The Matrix. Inception trumps them on acting, action, and effects. Leave it to Nolan to turn The Big Easy into a Sci-Fi classic though!
The ending is the new Hollywood hot-button topic now that what Bill Murray said in Lost in Translation has been solved. Nolan is hands down the best director in American cinema and the stellar young cast is to die for!