This in no way enhances my understanding of blade runner, but it sure as hell enhances my understanding of Dick's place in the genre. It's odd to read a book after reading the criticism; you end up nodding your head a lot and saying "yep, there's the paranoid atmosphere, there's the odd sense of dislocation". You can definitely see the precursor of cyberpunk in his aesthetic, but it has to be said, I like cyberpunk better.