There's a list of compatible devices on the TomTom site:
TomTom, portable GPS car navigation systems - NAVIGATOR 6 - Software & maps on DVD - Functionalities
...and, as usual, I recommend looking at the "All Known GPS Apps" thread. It's pretty thorough and updated fairly often.
![Wink](http://www.blackberryforums.com/images/smilies/icon_wink.gif)