Any one have or know of a cheap flip down head unit for sale

[bigmontana]

since we are bringing the wagon we won't have the van and then we won't have a DVD player in it and it is nice for Jackson my son who when he gets tired to [put a movie in for him. I don't care so much but my wife likes to have a player. So what I was thinking was buying a cheaper head unit and take out my factory CD player. I don't need an expensive on just a cheaper on that plays CDs and DVDs, but she does not want to pay a lot. Does any one know where I could find a cheap flip down DVD/CD player/radio.