Looks like there is going to be a 3rd version, 2nd Directors cut being released to mark the 25th anniversary of the best movie ever made.  The article offers some interesting insight into Ridley Scott and his original vision.

I’ve never paid quite so much attention to a movie, ever,” Mr. Scott said in a telephone interview from Washington, where he’s shooting a spy thriller. “But we had to create a world that supported the story’s premise, made it believable. Why do you watch a film seven times? Because somebody’s done it right and transported you to its world.

Blade Runner: The Final Cut – Movies – New York Times