This Kensington RDS FM Transmitter / Car Charger for the iPod is £19.99 delivered @ Amazon !
Shows song and artist names on car stereo screen using RDS
Lock in your favorite FM stations with three easy-to-use pre-sets Charges your iPod while it's playing
On/off switch prevents car battery drain
Enables use of the iPod LCD to display station information
Unique design to fit most hard-to-reach car power outlets
Black body and stainless steel accents to complement car interior
ClearFM technology reduces noise and enhances stereo separation providing superior wireless audio quality and FM reception System Requirements