The shell used in Summit is one of the better versions we’ve seen. Unlike some that leave the top and bottom edges of the iPad 2 exposed, Summit runs all the way to all four edges, providing very good coverage for the rear and sides of the iPad 2. As with BackBone, all of the openings are precisely cut and just shy of perfectly centered. We like that the speaker is somewhat covered with a 3 x 3 grid of oval holes; it’s effectively protected…