Linux/Ubuntu powered car radio+
<a href="http://www.omgubuntu.co.uk/2011/02/navisurfer-ii-serves-up-ubuntu-in-a-fresh-way/">HERE</a>
For $300 you can have a 2Din standard box that does GPS/Radio/TV etc and runs Maveric
For $300 you can have a 2Din standard box that does GPS/Radio/TV etc and runs Maveric