With a rugged, weather-sealed body, hybrid AF system, 5-axis image stabilization, Wi-Fi, and seemingly endless customizable controls, the Olympus E-M1 is arguably the most enthusiast-friendly Micro Four Thirds camera on the market.  We've put Olympus' latest OM-D through our usual battery of tests - click the link below to see if the 'Pro' Micro Four Thirds camera has finally arrived.