[thatguitarguy]

I went back to Neil's post:

Originally Posted by NeilBlanchard

Hiya,

I just clicked the "buy" button on two each of these:

REAR VIEW CAMERA NIGHT VISION WATERPROOF NEW FOR CARS

6 inch standalone headrest car lcd tft monitor screen

The cost is ~$156 shipped; pretty reasonable really!

The small mirror may get moved to the driver's side (to meet the the letter of the law)...so far I have liked how things have worked with it on the passenger side.

Later in the thread he has pictures of his setup in action. You might PM him and he might be able to help you out with his opinion from first hand experience.