was just reading about the new tomtom unit which is running on linux and thought it might be possible to download the software and use it on linux perhaps?
The code tomtom used for their linux software
Just a thought
Case Install: 99.9%
Dash Install: 100%
Car Install: 72%
Unfortunately if you look at what they have released, most of it is just tools and libraries they have modified for their purposes, they have to do that to comply with the GPL.
They have not released code for any GPS software nor are they likely to.