Canon EOS 5D Mark II to Track Multiple Batteries

We thought that we already knew just how glorious that Canon's $2,699 EOS 5D Mark II would be, but the camera has one trick up its sleeve that's more practical than another megapixel boost, or maybe even its ability to capture 1080p HD video. Seriously. The camera can keep track of up to six batteries in its internal… » 10/25/08 10:30am 10/25/08 10:30am