Thanks for your attention.
Yes, I know about differences. Just interesting in different qualities - Super with movements and Speed with focal plane shutter for barrel lenses. Regarding the Crown - it is not metal and I am worried about it's robust and quality after so many years. But it is looking promising as well cause light weight.
And yes, finally, after thinking i should change the thread title to: Searching Grafles Press Camera in good working condition with lens. And waiting for the one world will send me.