I've got a Navman that I really like. They make dedicated GPS systems, but I had a Compaq iPaq pocket PC (PDA) that my father in law gave me when he got frustrated and couldn't figure out how to use it. They make a GPS sleeve (GPS 3450) that fits over the Pocket PC and works fantastic. Even integrates with the PDA's address book for address lookups. They also make them for Palm pilots and I believe some other PDAs if you got one. Comes with routing software, which like all of them out there, may not take you on the most efficent route, but it has never let me down yet. Has a nice suction cup mount for the windshield, but would be pretty easy to modify or fabricate a different one to mount on the handlebars of the bike. The routing software has multiple view and routing options and it has voice navigation where the thing talks to you and tells you when to turn, how much further you need to go, etc.. The best part is they are way cheaper than the dedicated models.. I think I paid something like $150 for mine.

Cheers,
Brad


To be old and wise, you must first be young and stupid.