Well, obviously "Do Androids dream of electric sheep" simply because the movie left out a little bit too much, which you can catch up on when reading the book.

Well, obviously "Do Androids dream of electric sheep" simply because the movie left out a little bit too much, which you can catch up on when reading the book. Keyword "Mood Organ". I also liked "Second variety" which has also been rendered as a audio play IIRC. And, for the non-sci-fi part, A Scanner Darkly is pretty weird. Has also been rendered as a movie...