I would wait for some reviews on the 70-300


Personally the way I like to shoot, you would be double covered now with the 70-200 and 100-400. I would only sell if I traded up. And we do not know yet if the new 70-300 will be a upgrade in quality over those two. If it were me with what we know for sure on lens a 70-200 f/2.8 is would make more sense. Or next step up to primes.


That said, the new70-300 sure would be handy to carry around.


That might be a big consideration for you, it