Mine is like that now:
Some advertisement:
We have adapters with which you can display your CarPC on the nav in vga quality! No TV tuner required anymore!
The device is called "CIB".
Here you can read a bit about it:
http://carmes.de/neu/en_faq.php
Very soon we will complete our new shop and website and then you can order them!
I post again as soon as we are done.
Thanks,
Tino