We've seen some pretty fancy cans in our time, but perhaps none as tricked out as Kohler's latest $6,400 john. The Numi -- don't ask us how they got the name -- does just about everything for you, aside from the stuff that, well, only you can do. Looking something akin to a fancy pop-top waste bin, Numi comes complete with a self-opening and closing lid so you never have to touch the toilet seat; a sel
