There are two circulating versions (not Dead Ahead) of the entire show, plus Franken and Davis, on 4 DVD sets. One has pcm sound, which some machines have trouble playing due to the high bitrate. The other is in Dolby which is more "playable", but still sounds great.
The pcm version is now being seeded at ttd at:
http://www.thetradersden.org/forums/sho ... 1980-10-31