A CarPC primer

If you've always wondered how difficult it would be to put a PC in your car, or even why you'd want to do it in the first place, here's an article at CarTFT.com that will answer your questions. Whether you're looking for a flexible, expandable, integrated system that you can personalize to your heart's content, or if you just like to roll your own, a PC-based telematics/audio system could be the solution that works for you.
Author Terran Brown walks you through the hardware, software and integration issues that you'll face if you decide to go this route. The CarTFT.com site has plenty of other PC and GPS resources - check it out.