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Mike HMax, your point is valid.  With cards, you simply throw them on the scanner.  Memorabilia requires a camera, lighting downloading, shifting it to photo-bucket then posting it.  A lot more steps.  
With regard to old documents.  I love baseball history in general, but believe most memorabilia collectors are into pieces with eye appeal and visual interest.  This forum is about memorabilia, not discussions regarding a game in 1865 between two teams that only three people on earth have heard of. While I appreciate early documents and understand people love to read them, few have a knowledge base that allows for deep conversation.  I would prefer being educated about the history of advertising, dating items, judging value, evolution of equipment etc.
I want to hear about your "stuff" and collecting stories.  Post your hobby room, favorite display pieces, how you found things, and auction items you love and you'll get more of a response.  
Regarding the National.  I didn't think many people from this board besides Ryan and I attended.  Carlton's pics are great, but there was soo much more he couldn't capture for his site.
Just my two cents worth (ok...it's only worth one cent)