Here is another review of this camera:
http://www.lonelyspeck.com/sony-a7s-...graphy-review/
and a thread of Cloudy nights:
http://www.cloudynights.com/topic/45...ra-wow/page-15
and some info on DPreview vs the A7R and Canon 5DIII
http://www.dpreview.com/articles/461...non-eos-5d-iii
I am also closely watching developments with this camera and also the Canon 6D Cooled version that may be offered by Central DS as my modified 400D could be due for an upgrade!