Blade Runner is a very different movie if you hadn't read 'Sheep' first, I suggest.
I read 'Sheep' after seeing the movie and was deeply disappointed in the book.
I don't think the two stories have the same essence or point at all.
I thought I was the only one. Loved the movie, but the book didn't do anything for me. I will say I didn't care for the Director's cut - I guess I just prefer it the way I originally saw it.