It took only one look at a photo of Vaja's new Messenger Bag for iPad ($280) to set our tongues wagging: this is one of the nicest-looking iPad bags we've yet seen. Made from fine, soft leather, the vertical bag features a soft plaid fabric inner compartment large enough for an iPad and some other items -- together, not separated, save for an open pocket inside -- all covered by a magnet-sealed top flap. There are three outer pockets: two are sealed…