I've seen the PSP GPS unit going quite cheaply on eBay. But is there any use for the peripheral outside of Japan? I know there's some Japanese GPS software available and a few games support it, but what about some 'unofficial software'?

I'd very much like to use the unit as one of those in-car navigation devices, like a Tomtom.

Or does anyone know if Sony plan a worldwide release, with the appropriate software officially available for each country?

And while we're on the subject of PSP peripherals, it's truly shocking that the camera is 1.3 mpix. What a total waste....