iPhone and iPod cases come in various shapes, sizes, and levels of protection, but rare is the case that lets you connect your iPhone to a dock while you're using it. The extra thickness of a case near the 30-pin dock-connector port can often make it impossible to connect your encased device to anything other than a standard Apple 30-pin USB cable--a predicament that for years has irked owners of iPhone and iPod speaker docks, alarm clocks, and other such accessories.