www.umm.edu/altmed/articles/acupuncture-000345.htm gives a clear and concise overview of acupuncture.
nccam.nih.gov/health/acupuncture is the National Institutes of Health's overview of acupuncture.
pocacoop.com is a nonprofit organization of practitioners, patients and supporters whose goal is to make acupuncture more affordable and accessible by promoting the practice of offering acupuncture in community settings for a sliding scale range of $15-40 a treatment.
http://blip.tv/community-acupuncture-network is a short documentary about community acupuncture.