It's no secret that we're not fans of the numerous modestly protective semi-shells that have been released over the past year or so for the iPhone 3G and 3GS, and strictly speaking, Capdase's new Karapace Protective Cases ($16) are no better: they have the same goofy-looking Apple logo cutouts as we've seen in innumerable Korean and Chinese OEM shells, plus two more holes at the bottom for a wriststrap that isn't included, and basically no front bezel…