It is true, I regret starting out with Cambo for one reason only; the Sinar shutter and barrel lenses. But it took me quite a few years to progress to that stage of disease. With all my lenses on Cambo boards, I have adjusted by using an adaptor to put the shutter into the system. Before that I was happy with the less expensive Cambo.
I agree, if you are going to use it yourself, go Sinar for the shutter you will want in the future.