This project is now available on SourceForge, and you can download the latest version there.
SpaceNav SF Project.
Nothing really new, just some behind the scenes cleanup. It also now exits when you ask it to, rather than waiting for another input report from the device.
Going to try to work on having this actually do something more useful over the weekend.
Sama, it'd be good if I could look at some of the source you've written, as you've probably made more progress on that end of things than I have. If you get an account on SF.net I can add you as a developer on the project.