I agree with your idea about the R200. It would be nice if someone made a lightweight and sensibly priced full-frame camera which could be made to work in full manual mode like the K1000, F1 or SRT-101. If Canon did so, they could add a mode called F1 (paying homage to their old camera) which would remove from the menu any functions irrelevant to shooting with old lenses and adapters. There are some nice old lenses out there. There are also some other interesting products such as adapters which can add shifts and tilts to any lens. Embrace and allow this aspect of the aftermarket. Perhaps the R200 could move the INFO button to the right of its current location. In manual mode, the INFO button is pressed after the window-shaped button and gives magnification of 5x or 10x- a helpful focusing aid.
The APSC sensor has its drawbacks, but it also has its advantages. If someone likes the perspective that a 55mm lens gives on 35mm or full frame, he could use a f=35mm lens and benefit from more depth of field while having a perspective akin to the 55mm lens.
