Although the digital out would be ideal , it will be hard to find a cheap car stereo face that has digial inputs. You could "tief" (ghetto slang for steal) a stereo face from a new mercedes or BMW ( as some models support digital inputs) or you could buy a face. McIntosh , although expensive will give you AMAZING sound. There average face is about $800 new, but it does have a digital input. Or you could buy seperate computer digital speakers and use them. I use Boston Acoustic digital speakers and they sound GREAT.
aka T -Rex
aka Josh G.