UPDATE: The Canon 5D Mark III is now available for pre-order. Click here for a list of retailers currently taking pre-orders.
Just ahead of its expected announcement in Shanghai tomorrow, March 2nd, full specifications and details regarding Canon's highly anticipated EOS 5D Mark III have leaked. A new post on Canon Rumors has outed the full specs of the camera, new images of the camera which are presumed to be the official Canon images and information on related 5D3 accessories.
In addition to the already leaked 22 megapixel sensor, the 5D Mark III is now expected to have significantly improved high-ISO performance due to the the expanded native ISO range of 100-25600 (which is expandable up to 104200). Other high performance features that are newcomers to the 5D series include a 61 point (41 cross-type points) high-density reticular auto-focus system, improved durability and weather sealing, dual card slots (CF + SD) a new HDR mode and more.