Found this talk by Charlie Kaufman the other they, it's not explicitly about screenwriting, it's more about the movie industry, creativity and such. And I think there's allot of similarities with how the game industry works and what, especially smaller developers can and should do in order to make more personal experiences. He even uses the expression "non-story" as a way to write more personal stories. Anyhow pretty inspiring.
http://soundcloud.com/bafta/charlie-kaufman-screenwriting-lecture