Ok just wanted to ask yours guy out their that own a Nikon D7100 and the canon 7D what yours think of them and how they work for action and portraits photography. I looking to up grade my Nikon D3100 due to some factors that I don't need to go into. As looking at the reviews on these cameras some have beening saying that the focus is not working, shutter speed not what it should be ect? How have yours found these camera in working to be?

Thanks for you help