TomTom's RIDER 2nd Edition GPS has just released.
http://www.engadget.com/2007/08/23/tomtom-rider-2nd-edition-motorcycle-gps-ready-for-those-mean-str/
http://www.engadget.com/2007/08/23/tomtom-rider-2nd-edition-motorcycle-gps-ready-for-those-mean-str/