To say the Micro Four Thirds / mirrorless battle is heating up would be understating things greatly. It's certainly the segment getting the most focus here at this year's Photokina, and with Panasonic cranking out yet another, we don't see any signs of it slowing down. The newfangled Lumix DMC-GH2 made its official debut yesterday, bringing with it an impressive list of specifications and compatibility with an oh-so-curious 3D lens that we
