> >I saw later on you are shooting with an 80-200. An upgrade to >the 70-200 will make a bigger difference in your focusing >speed than putting that 80-200 lens on a D4. In my opinion >anyway. I still have my 80-200 but it's a backup now.<<<
That depends on the version. The AF-S is much faster than the old push-pull even with the powerful D4 screwdriver motor. On FullFrame, I prefer the AF-S 80-200 to my AF-S 70-200 VRI.