I shoot a bit of large format and so was scouring the internet for some info. While doing so I came across this. Admittedly, some bits of it are correct, but others are.....
http://www.ebay.co.uk/gds/Sinar-F2-Vs-Fujifilm-GX680-III-/10000000177819264/g.html
http://www.ebay.co.uk/gds/Sinar-F2-Vs-Fujifilm-GX680-III-/10000000177819264/g.html