Shocking how few of his movies I've watched, despite owning 10 of them on Blu-Ray. The only one I watched is Black Hawk Down which was pretty good!
Tried to watch Blade Runner ~10 years ago and couldn't get over the 30 min mark. Was pretty dark and kinda boring. Will give it another try though.
Started watching Alien with my wife around 3 years ago and she fell asleep after 15 min. I then stopped the movie and we never continued.