www.shopsmith.com
A source for parts, accessories, special purpose tools, manuals, etc. Sign up on their email list for frequent email specials.

The company has recently folded and is reorganizing so its future is unclear at this time.

www.craigslist.com
I don't use this much but many people swear by it both for buying and for selling. Sort of a free classified ad section on the net. Search by city and by keywords.

www.ebay.com
A great place to search for used and new components. Searches to use include Shopsmith, Shop Smith, 10e, 10er, Mark V, etc.

Save me as a favorite seller. My ebay id is
jacobvb_the_s_smith_doc

www.yahoo.com
There are many Shopsmith related users groups on yahoo. Including two I own, Sawsmith and vbshopsmithusers