Toshiba has the best screens, you wouldn't think that would be important in a smaller device, but it's critical.
This player is solid, weighs around 2lbs. with a battery. 9" screen.
http://www.tacp.toshiba.com/dvd/prod...model=sd-p2700
If you need to go smaller Quiet, look to Panasonic's line, their 7" screen units are superior to Tosh's.