I'm thinking about ordering one of these:
http://limb.al/ ($25 after shipping). Seems like it would be perfect for our cars.
One note though: This is a new product and was recently funded via kickstarter (
http://www.kickstarter.com/projects/...imbal?ref=live ) I've had the tab open for a while, waiting to see if they switch from Pre-Order to Order. I just refreshed and the part that says estimated delivery changed from September to October. *shrug*