Mark - ... and? If they do, and this lens isn't that old, the lens you buy tioday will not suddenly deterioriate and start to send back fuzzy photos. I hear this argument all the time. Waiting until the next iteration of any lens, simply means that you will be missing photos in the meantime. Do the photos of the death of the Spanish soldier, or the burning of the Hindenberg suffer any today due to improvements in equipment over the decades? I think not. It is because they were taken by photographers clearly more focused on events and things aroud them, and focused on their own perception abilities and technique than the future technology. Buy what you can afford and want NOW -- shoot pictures -- enjoy. And BTW, the 70-200mm f2.8 VR II is an astoundign performer. Enjoy!