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Yeah I looked at the link nerga provided and that would be cool to get, but I came across this one too:
BR 30th Anniversary Blu Ray Collection
Looks like it's on some kind of markdown/sale for $14.00 and is a 3 blurays edition that has all 5 versions plus the artbook.
I did a quick check of the contents looking at the back covers of both and this one seems to be the same thing packaged differently but the same content wise and a little cheaper.
I think I'm going to go ahead and get this one and "retire" my old final cut version bluray.
amazon has a multidisc set for like $15
Well I found it on Amazon, great movie:
Edit: Also another off Amazon that's currently in stock:
Here it is for cheaper.
I probably own every release of Blade Runner, expect for a Laserdisc copy. This would be your best bet. It has all the different cuts and special features - from commentary tracks to still images - contained in other releases, so you'll be covered there. It also has a selection of pages from the book that was release in this much more expensive set. That set has a cheap toy Spinner, and the full 72 page book. I own both for no real reason other than I care too much about this movie, and I can say that the first one I linked has all you need in terms of footage.
EDIT: The second set that I linked also contained a lenticular card of the Spinner flying by the Geisha on the TV screen, if that matters!
$14 on Bluray at Amazon.
Includes Theatrical release (US and International), the '92 Directors cut, the Final Cut, and a bunch of Behind the Scenes and extras.