Well, Hasselblad are honest and reliable, but, damn expensive!
However, a while back I got a lens stuck on mine - tried to put it on when not cocked or something like that. Anyway, it wasn't budging. Anyway, I called them and he said I had two options. I could send it to them and they would deal with it, or, if I had a strong nerve, good eyesight and a small screwdriver he would talk me through it. I went for the strong nerve route and after about 30 minutes my camera was fixed for free!
You don't get that kind of service often.
I have nothing but praise for them even though a slightly lighter wallet at times