GameSpot is hosting a live stream of Tim Cain's Fallout post-mortem at this week's GDC, and it offers an interesting insight into the development of what has become one of the most influential computer role-playing games of all time, and the starter of a franchise that is still going strong today.
UPDATE: A recorded version of the live stream can be found below. Tune in at the 8:00 mark to watch Tim Cain's excellent presentation: