Wait a minute -- haven't we seen Uncommon's Deflector before? Well, yes, but that was for the iPad 2, and now there's a redesigned version for the third-generation iPad. Best known for its custom-printed cases, Uncommon has made some significant changes to Deflector while preserving the same $60 price. Oddly, the new shell takes steps back from its predecessor in protection, now offering less coverage for the iPad's buttons, its top and bottom edges,…