I was just told about this from another photog who saw the latest FOTOMAGAZIN AF shootout this month, and pointed me to this post.
Now that's two head to head AF tests in a couple weeks that the 1D MK3 has beaten the D3 and all other comers.
I will have to buy this magazine if it's available here (it sounds german) to read more details.
"I see now that FOTOMAGAZIN did another AF test on May 5th between some of the top cameras, and the 1D MK3 won again, by a fair margin for total sharp frames in a burst (the D3 came in 2nd, but quite far behind in total number of sharp frames).
What is interesting, the D3 had MUCH lower total sharp frames in a burst than the 1D MK3 but similar % of sharp frames. Since the two cameras have a similar FPS why is this? According to Fotomagazin "Similar to the D300 the numbers of shots was really different during a cycle and rarely it (the D3) managed to do 9 shots / sec.The D300 did in some cycles the full 20 possible shots whereas others were only 10 shots. Both cameras use the same AF module."
multi AF and sharp: (1D Mk3) 31.8 images (89,4%) / (D3) 17.4 images (88.4%)
central AF field and sharp: (1D MK3) 30.2 images / (D3) 21.6 images "