Hasselblad has opened a new section on www.hasselblad.com called Planet V. You can get there by going ot www.hasselblad.com and clicking on "Welcome to Planet V" or by going to http://www.hasselblad.com/planet-v/start.aspx.
They have a list of Hasselblad forums and links:
Medium Format Forum: Hasselblad System
Photo.net Medium Format Forum
Check it out.