I am in the market for a double din touchscreen head unit and have been looking at kenwood and pioneer. But before i make a purchase i thought i would look to see what a car pc would have to offer. I am wanting a 7" touch screen with CD/DVD radio USB for flash drives or portable hard drives and bluetooth for making and recieving phone calls GPS navigation would also be nice but not necesary. I would like all this for under $700 if it is at all possible. What would my options be for a car pc? Could i make a decent car pc for $700? I do have a laptop that could be used if that would be a better choice.