"Encouraging a "There Are No Dumb Questions" culture is only part of the solution. What we really need is a "There are No Dumb Answers" policy."

How to Build a User Community, Part 1 offers some good solutions to the kinds of issues I've worried about when thinking about our user communities. I think it's a good basis for some guidelines but really we just need to get it up and running and see how our users respond.