Zune Car Charger Car Charger For Zune?

Car charger for Zune? - zune car charger

I'm going on a journey of 13 hours in a car in North Carolina in a week and wondered if it was not a Zune Car Charger other than the $ 70 Zune Car Pack. But I need a bad. I have 2 wall chargers, but I need a Zune Car Charger. Any help?