Been looking for a way to get my 3gs to work through my radio, previously bought a cheap non-branded version of this (£15) and it blew my fuses. found this and tried it today and works great, really easy to setup too. Nice discount right now too! enjoy:
The Belkin TuneBase FM with ClearScan lets you easily play the music on your iPod in your car with just a push of the button.
ClearScan technology quickly scans and finds the best FM frequency with one push of a button
Charges your iPod with integrated auto power charger
Custom-designed swivel cradle and flexible steel-neck mount your iPod securely and easily
Line-out option for use with car-stereo inputs or cassette adapter PRO setting optimizes audio and boosts volume