We thought Nikon just wanted to join the burgeoning ranks of mirrorless interchangeable lens shooters that bridge the gap between full-fledged DSLR and pocket-friendly compact cameras. But oh no, as company president Makoto Kimura puts it, Nikon wants to create a whole "new market" with its next big idea. Noting that his lab lackeys have tested all sorts of eccentric possibilities, such as a head-mounted display, Kimura says it's time for digital cameras to move with the times and Nikon will be ready to take up its usual leadership position. When might that be, you as