If you're low on USB ports for charging or synchronizing two iPods, two iPhones, or an iPod and an iPhone, CableJive's duaLink ($26) may help. The 9-inch long cable has twin Dock Connectors on one end and a single USB plug on the other, enabling two devices to simultaneously connect to the same USB port. CableJive claims that both devices can be synchronized and charged at once, though there are obviously questions as to how quickly or slowly the…
