Check this slice of molded plastic out. The Guardian case from M-Edge claims to be the world's first waterproof flotation device for the Kindle, allowing users a "hands-free" reading experience whether they're in the bathtub or the pool. Resisting aquatic incursions to a depth of one meter, the Guardian comes with three internal buoyancy chambers, a dual hinge, a four-latch closing system, and flexible button cutouts to keep the keyboard useful. Phew, hell of a wordy spec sheet for something you could fashion out of spare parts in your garage, but if you want it d
