Griffin Technology today announced an update for its RoadTrip FM transmitter, charger and cradle. RoadTrip has been updated for use with iPod nano and Apple’s newest video iPods. A cradle specifically built for iPod nano ships with every RoadTrip. With this update, RoadTrip provides a complete auto solution for all Dockable iPods, the company notes. The Griffin RoadTrip is priced at US$89.99.