When it comes to MacBook cases, there’s not too much variety. Most cases have two hard plastic pieces — one that snaps onto the top, the other onto the bottom. They may come in different colors, but it can be hard to tell one company’s case apart from another. Tech21’s Impact Snap Case for MacBook ($100) is different. Yes, it’s more expensive than most of the competition, but that’s because it’s made to be more…
