If there's one problem with modern GPS devices it's that they're "highly complex" -- at least that's what you might think if you're a frequent Hammacher Schlemmer shopper. Believing that people find things like touch screens or buttons a little too much, the gadget company has created what it calls a "GPS Homing Device." For a penny under $80 (roughly the price of a real nav system) the over-sized key fob lets
