If you haven't read last month's Wired story about Philip K Dick, you should. If you haven't read him, I suggest you do - because 99% of the memes that Hollywood etc have cashed in on with the techno-dystopia movement of the last few years come directly from his work. And Hollywood doesn't do him justice in the least. He is a seminal writer about the future the same way that Orwell and JG Ballard were (are).