The Panasonic DMP-B100 is the cheapest way to watch your Blu-ray movies on the go, but other portable media options, like an iPad or Blu-ray-equipped laptop, are more attractive.

A high-res 9-inch screen, solid battery life, SD card slot, and DivX playback make this portable DVD player easy to recommend.

A high-res 9-inch screen, solid battery life, SD card slot, and DivX playback make this portable DVD player easy to recommend.

The combination of a stunning high-resolution 9-inch screen, long battery life, and impressive design makes the Sony DVP-FX930 a winning portable DVD player.

The Panasonic DMP-B15 is the world's first portable Blu-ray player and can function as a standalone player too, but ultimately it has too many caveats and costs too much.