There’s another documentury on Blade Runner floating around on the net. The “Future Shock” documentury is only 27 minutes long but it’s still worth watching.
Among some of the people that you can hear are Sean Young, Joanna Cassidy and Bud Yorkin. The documentury are produced by TVO (TV Ontario) as a part of their Films 101 series. More info on TVO and Films 101 can be found here
There is also an torrent for a mpg (VCD format) of the documentury that you can download here.