If you happen to have a bunch of Four Thirds lenses lying around, and your in the market for a new camera, then Olympus has you covered: The new OM-D E-M1 is an SLR-style body which will accept old Four Thirds lenses, as well as new Micro Four Thirds lenses. And more importantly, they actually work, and focus at a decent speed.
Olympus New OM-D E-M1 Body Looks Like A Frikkin’ Battleship