If you're looking to buy a car charger or PocketDock adapter for your iPod, grab one at SendStation for $24.95 ($22.95 for PocketDock Adapter) and get 20 free iTunes songs. If you were going to spend $20 on iTunes anyway, you're getting a pretty good deal on the charger. If you don't use iTunes, then this deal isn't really for you.
Product Page [SendStation]
Press Release [SendStation]