I have a friend who works with two D300's. He's always telling me about how much he loves those 51 points of focus. I asked him how he has the time when shooting to decide which one he's going to use. Then I found out he uses the ring of - ops he uses the whole darn screen of fire to let his camera decide how to focus.
After that I noticed that he never has the flash off of his camera and is always stopped down so I have to wonder for those of us who focus on that near eye, loving bokeh and shooting wide open often, are 51 points of focus futile.
After shooting with a MKIII, I cannot imagine wanting anything different.
But is the real advantage with sports where you've got plenty of light and stopped down while tracking something, is that the advantage. I've used the ring of fire on my 5D I think one day and never used it on the MKIII because I couldn't see the point but it's there so there must be a good reason for it's being. Can someone elucidate?