Walking Life has more replay value and less Keanu Reeves, so it gets my vote. I think it's one of the best animated movies ever, while A Scanner Darkly, not so much. The lack of structured story in Walking Life is what makes the animation style acceptable. Otherwise, I'd find it lacking artistic value and half-hearted perhaps because I've seen it in too many commercials. This is the wonderful paradox that makes Walking Life so mesmerizing. The animation on its own is distracting while the series of conversations if presented live would have befuddled me. Together, however the form the perfect mix that draws my attention then keeps it by continuously challenging me to follow the ideas.