i've been looking for something like this for a while. most FM transmitters either have horrible sound quality or have useless features and hence cost way to much. also the fact that you have to dangerously reach down while driving to change song. My current fm transmitter also has the same issue as bennjamin of falling in/out of left/right channels, i suspect due to a bad 3.5mm jack or wiring in the transmitter.

@flipfire: do you know if the adaptor is plug'n'play for a gd3?

i remeber seeing an ipod adaptor from Honda a while ago. seemed a bit fidly with a large adaptor box when you could just DIY a cable straight from the radio.
http://nuxx.net/wiki/Honda_Music_Lin...Adapter_Review
http://www.xcarlink.com.au/index.php?cPath=5