jonnyMarsh, you do seem quite determined to cereate a problem here where one might not exist - however, as I've not yet used Windows 7, what do I know?
RadarBox has been working very successfully for over two and a half years now and it's a little harsh to criticise AirNav because Microsoft have decided to launch another operating system. You appear to be asking AirNav to admit that a problem exists, without giving them the opportunity to fully investigate this. If you have sent a support request in, then I'm sure that it will be looked into.
I'm glad that you have got your RB software sorted out in the meantime. I didn't go down the Vista route, but I feel that I should start familiarising myself with Windows 7. However, with 5 PC's and laptops running very well on XP and XP support guaranteed for quite a while yet, I'm still hesitating. What's your advice? Why did you go for Windows 7, was it a new PC or an upgrade?
I've run the Windows 7 upgrade advisor software on my main PC (about 3 years old now?) and it gives me a whole load of horror stories, including possible incompatibility of the graphics card. I think that my best route would be to buy a new PC with Windows 7 already installed, but do I really need another PC ....... ?
Regards
Allocator