for budding. Need different antique varieties.
Walt at masonville orchards is great.
members of this site
Backyard fruit clubs are a great source. They are scattered around the country.
Fedco is the best in my experience. Speaking of which... I need to go order some!
There's a yahoo group called "Scion Exchange" that has almost 130 people. Some have their trade lists posted. Lots of cool stuff!