Is this anyone's fave PC game?

I would say it's probably the best movie-based PC game out of the 1990s. It's my favourite for how well it portrayed the world of the film and integrated itself into the film's story. You can read quite a lot about the game's production here:

http://deadendthrills.com/future-imperfect-the-lost-art-of-westwoods-blade-runner/