Interesting more because of its design than anything unique in its functionality, Ozaki's new iSuppli Car ($18) is a car charger with an iPod and iPhone-ready charging cable built in. The cable is coiled to reduce tangling and clutter in your vehicle, while the charging bulb is attractively designed with a chrome ring and black plastic. We're generally not very fond of chargers that preclude audio-out access from the iPhone or iPod's Dock Connector…