i have the alpine iva-w205 it has the blackbird nav unit that goes behind the face when it folds down you can also use the black bird as a hand held if you go out of the truck or you can put it in your other vehicle that have the hook up also i have the sirius sat and the ipod hook up i am loving it i have this set up in 3 of my other vehicles. also the alpine can feed dvd headrests and has dvd built in as you can see