i know, it's just an Expo...just a showcase for stuff that may never be practical. But some will be. It gives a sense of Canon waking up from I it's slumber. Love that compact 600mm. If it works, with quality, there goes the lens size differentiation. Unless Oly/Pany can make even smaller ultra zooms...and faster too? It does make you think that things are in the works that the little guys like Oly, Panny, maybe Pentax, really can't match. I don't think I'lol ever need 120megapixels, or would ever want to try and load a couple hundred at a sitting into LR on my PC, but major advances trickle some improvements down. I wonder what the next 5 years will bring? ...and if it will adapt my Pro lenses.