I am considering one of these cameras. I have read many reviews but none has given a definitive answer to image enlargement. I intend to print the files at 40X60 to 40X80, with interpolation, of course. It seems, from what I read, that a minimal camera shake, even from the mirror movement might not reveal the extra resolution of the sensor. Besides the array of lenses suited to work with the D800 in order to bring out all of its qualities seems to be rather limited and expensive. Ultimately will the 30% increase in pixel count make such a big difference for the print sizes I'm aiming at?