It is a situation of planned obsolescence. Nothing I discover, I know. But for both manufacturers do not leave out products that are very well built and designed to replace cameras even worse in order to maintain the new regime imposed by the runaway consumer society, which needs new and new gadgets. Actually it does not work again as the best, but as the last and already has a timbre that social prestige is what sells. Olympus will continue to "decline" eps, spls, epmis until you drop.
I have a gf1 and with this news I start feeling like Nikon and famous with compatibility between optical and bodies :deceived. So let me Nikon.