Best Car Stereo For Zune Are There USB Compatible Car Stereos That Can Play Anything Other Than IPods?

Are there USB compatible car stereos that can play anything other than iPods? - best car stereo for zune

I'm in the market for a new car that on my Zune without a cassette adapter can. USB seems the best option always say, but the specific nature of many of them, that the direct control of an iPod or iPod compatible or whatever. Is there a dash car audio system is compatible with other MP3 players via USB-compatible?