It's time, boys and girls, to box up your graphics cards and put them up for sale before the mad rush as Ethereum (and all Ethash coin) GPU mining is about to come to an end.
Core Dev team will just deploy a change in the algorithm of Ethash andn those shiny new F3s wont work anymore. They can will eth forks but not ethereum itself.
Are you forgetting the whole idea of Ethereum being ASIC-resistant?