PKD did see an early cut of Blade Runner, and commented that it was 'exactly as i'd imagined it', which was ironic since neither Scott nor the art and set design guys had actually read Androids.

edit: Wikipedia says "given an opportunity to see some of the special effects sequences", but i'm certain that Scott says in the documentary that he showed him a complete early cut of the film

I think too. It's funny you mention PKD because he sold Paycheck $200 and another only $2500

http://www.wired.com/wired/archive/11.12/philip.html