i trust MF more than AF because AF need a certain time for it to focus. by then, many of the precious moment which is don't last long and i will miss it.
my camera aren't as high-ended as yours with many AF points. so sometimes i want to focus a subject on a specific place, the AF just won't work as well. i know some cameras have many AF points like D80, D90 and stuff. i have tried it and i know the AF works great. just that i am using D60 now, i cant do much with the AF.