Links:
[1] http://www.garmin.com/
[2] http://www.satmap.co.uk/dutch/
[3] http://www.mybecker.com/nlNL/MOBILE+NAVIGATION-Traffic+Assist_Z_100_Crocodile.html
[4] http://www.magellangps.com/
[5] http://eu.mio.com/nl_be/
[6] http://www.navman.nl/