Yes, and I've got many of those, but they are, by their nature, the commercial products, not the individual bufferings of user groups, BBSes that lasted a short time, and so on.
Jason, you rock, and your movies are awesome! When (if?) you are going to make your 6502 documentation, let me know if you need a ticket to Europe (hoping the impact on Europe is going to make it into the movie?! pretty please?!).