Nude has been around for several generations of iPod touch, but the most recent is SwitchEasy’s best take on it yet—and one of the best basic plastic shells we’ve seen. Coming in five colors matching the anodized aluminum back of the iPod plus white, clear, and translucent black, Nude is available in both soft finish and glossy finishes. It’s impressively protective for a shell. Once snapped onto the device, it covers pretty…