http://www.frysmachinery.com/default.htm No guarantee though as they move a lot of parts. Sometimes good used ones are hard to find. I bought a new one from Country Machinery once because I couldn't find a used one that wasn't all bent up.
Have salvage New Idea pickers for most parts you may need. Also complete pickers with husking beds or shellers. Uni picker parts and complete machines. Pm me for contact information.