Here's something for you, The Watcher:
http://www.sonicyouth.com/gossip/sho...postcount=1939
This one includes the demo version of "Old Age", which is supposed to be sourced from a lower generation tape than the one officially released on "With The Lights Out". Ha, you probably don't care about that. Anyway, the rest of the songs are unreleased demos. I can upload the other discs (Studio sessions, Radio broadcasts, and Live rarities) if you want.