But how small a sensor can you take? I have some hopes for the rumoured Olympus µ4/3 12mm prime. That would suit me fine. Until materialized I can get by with my 12.5/1.3... or by stitching. I have sold my ZD 9-18 4/3 version as it is too big for my taste.(...) but a small camera with a viewfinder that performs on GH1 level and let's me use my small 10/1.6 Switar will definitely get my vote (and money).
regards,
/Jonas