19" TV / DVD flatscreen that runs on 12V, uses 2.5A or so. I would need to look into it further, make sure the quality is OK and sound can be hooked up to speakers ... I tend to prefer standalone systems, so this might be an option. Similar to what Greg and Steve and others do.

http://www.amazon.com/AXESS-TVD1801-19-PLAYER-FULL-READER/dp/B00DB9OONG/ref=cm_cr_pr_product_top