[Ulrich Drolshagen]

The only thing I'd be uneasy about with the Rollei is the fact that it's a viewfinder rather than rangefinder camera. I have used a 1930s Zeiss folding camera which lacked any means of measuring the distance to subject and found it frustrating. When I put it on a tripod and used an SLR to find the right focus (read off one camera's focus scale, transferred to the other) the resulting images were very sharp indeed, but if you shoot it hand-held without any guidance for focusing you quickly find why old photos tend to be soft!

Try this http://tomchuk.com/misc/rf/ It's astounding precise. You can stick it to the back of the camera. Besides: The lens is only 40mm. If you don't try to make macros you will get away with hyperfocal focussing most of the time.

ED: Just seen that Heinz had posted the same link a while back. But as an add on:
one of the pros of the little Rollei is, that you can make all the necessary dial ins without taking the camera to the eye. Then you raise the cam to the eye and take your picture within the blink of an eye. It's priceless for snapshots.