TomTom Car Kit for iPod Touch (compatible With 1st and 2nd Gen) GPS Receiver for sale online | eBay
Amazon.com: Dual Electronics XGPS150 Universal Bluetooth GPS Receiver for iPad 2, iPad, iPod touch, iPhone and Other Smartphones, Tablets and Laptops (Discontinued by Manufacturer) : Electronics
5 Hacks for the iPod Touch - ProgrammerFish | ProgrammerFish
Magellan GPS Car Kit for iPhone 4, 4S, 3GS or iPod Touch 3rd, 4th Generation, AP 763357125634 | eBay
Magellan Launches Rugged, WaterProof ToughCase for iPhone & iPod Touch - The Gadgeteer