These are links that we found useful:

Whirlwind Farms (Probably the best breeder in the nation)

HorseFeather Acres - A GrassValley CA Pygmy Farm run by Melissa Hamre

Pygmy Goats by T.J. - Cottonwood, CA run by Tammi Josephson and Family

Goat Breed Identification System - Oklahoma State University - Great place to identify goat breeds.

National Pygmy Goat Association Website - Great resource on pygmy goats.  Info on everything from breeders to husbandry

The Merck Veterinary Manual - Great online veterinarian data