Due to strict regulations, consumer FM transmitters will always be somewhat disappointing. If you can't upgrade your car stereo or use an inexpensive cassette deck adapter, at least spend a little more money for a transmitter with better broadcast quality.
Donald Bell offers his review of the DLO TuneStik iPod FM transmitter.
The DLO TuneStik remote now features a display for reading FM frequencies.
TuneStik transmits iPod tunes to any radio via remote control.
The Zune Car Pack FM transmitter is an attractive, useful way to listen to your Zune in your car.