If you live in a city like Los Angeles where you spend more time in your car stuck in traffic than you do chillin' on your sofa at home watching T.V. You might want to consider getting yourself XtremeMac's IPV-CAV-100 Roadshow for your video iPod. With this sweet little cable you can hook up your iPod to your vehicle's standard 12-volt accessory outlet to power an charge your iPod while the audio and video cables output a signal to your DVD Navigation/Entertainment system.
It looks like this product might have been recently discontinued, so get one while you can.
Pros: Video & Audio Output, Charges iPod.
Cons: Might Be Hard To Find One.
List Price: $59.95
Click here to buy from Pixelphile's Amazon Stop & Shop.