GoVideo DP7240 Off-Road Portable DVD Player with 7-Inch Widescreen LCD
Also doing pre-purchase research
Check out CNET.com.  They have rated it higher than others, including the Polaroid PDV-0700.  It seems only the expensive units come with an international charger (i.e., 120-240VAC 50/60Hz).  Otherwise, the unit is \\"one-way\\" only on an international flight.