I've bought the Navigation Kit for Nokia N800 IT back in 2007.
There was no map application on OS2007 so I have a license for Navicore Personal 2007 Europe.

After OS2008 release I used my key to activate the pre installed Wayfinder Navigator.
I've just checked the product info and I've found out that my Wayfinder Navigator will expire on July 2010.

I've just sent an email to Wayfinder through their support page to ask them to extend my license. I'll post the answer.