Belkin F8Z176 TuneBase FM Transmitter
I like this little and flexible unit from Belkin for what it does.  It comes with attachable mounts for just about any iPod save the newer Lightning powered ones.  With an adapter you can use it but it looks kind of strange.  This \\"Lighter Plugged\\" unit also needs a rubber adapter at the Plug, in order to firm it up to hold the iDevice.  Cons here are: Button placement.  As there is little room for buttons, when ever you want to adjust the unit you will invariably hit a button causing you to change the 