Blade Runner: The Final Cut

Just finished watching the "Final Cut" of Blade Runner. It's a great cut of the film and the remastered picture and sound are well worth the price of admission. The ending is better than the original one I remember, but I gotta say that I still have no idea why you'd think that Decker is a replicant. In fact, other than Rachel asking him if he ever tried the test on himself, I don't know why you'd even ask the question. I guess the unicorn vision and the origami unicorn are supposed to be too much of a coincidence? I don't know. It's going to take someone much smarter than me to explain it. Greg, you up for it?