I'm using a Garmin Etrex with a Keyspan serial to USB adapter. Of course, I'm also running VirtualPC to load maps using the PC software. But, it works. I'm planning on purchasing a USB GPS to try and see how it works. The USB GPS is available at http://compgeeks.com Lee On Friday, August 1, 2003, at 09:53 PM, Dick Grable wrote: > Does anyone know of a GPS unit that works with a TiBook? If not then > my next > choice is the Street Pilot III and finally a product called Handspring > Trio > 'Mouse'. Any information would be appreciated. >