I get my bodies from Hong Kong.I have to go there for businesstwice a year. All Protoform bodies are approx. HK$110. Exchange rate is 5.8, so they cost me about AUS$19. Worth remembering for when you have someone you know heading that way. Easy to packin a suitcase, just pack them with cloths, T-shirts etc.
I always get my stuff directly, when I'm in HK. There is a street (more like a city block) kinda North-East from Mong Kok station, that has approx 10-12 shops in and around Kwong Wa St, that sell nothing but RC goodies.