Being as the new D7100 will not have an AA filter as a buffer of sorts above the sensor, how does one go about cleaning it? Whether it will suffer the fate of the D600 or not, sooner or later the sensor will need cleaning. It is my understanding that there are individual lenses at every photosite, like you can see here:
So is this area exposed in such an arrangement as there is in the D7100, or is there yet another element above them? If those photosites are fully exposed, cleaning them would be a total nightmare, because there would be literally millions of nooks and crannies to get dirty, and you could make things far worse just trying to clean them.