I have the Mamiya 7 and I love it. There's a lot of plastic in it so it picks up scratches and general battering marks really easily. It's my workhorse camera. I mostly use the 43mm lens (which is not available on the 6). I am going on one of Bruce's workshop courses in April which I am very excited about. I will use my Mamiya 7 & 43mm and my Hasselblad & 50mm so that I can do both BW and colour.