Silicon Valley Computer Genealogy Group (formerly known as the Silicon Valley PAF Users Group or SVPAFUG)
This group is very active in the genealogy community. They have published guidelines for source notes documentation,
and deal with questions related to PAF as well as other genealogy software.
Cyndi's List A free categorized & cross-referenced index to genealogical resources on the Internet. More than 290,000 links in more than 180 categories.