While the PlayStation 3 is just now hitting its stride, and has its best days still ahead of it, Sony is not one to rest on its laurels, and with the intense competition in the video game world at present, plans for the PlayStation 4's future release are already being put into motion. In fact not only is the PlayStation 4 getting this treatment, but even the PlayStation 5 and PlayStation 6 are in the early stages of planning and conceptualization at Sony's R&D labs.