If you want to watch DVDs during your downtime but don't want to lug around your laptop, this sleek, swivel-screen Sony DVD machine should come in handy. It's a good bargain at $200, and whether you're looking to quiet the kids in the backseat or make a long flight seem shorter, it provides plenty of battery life to do the trick. You might even want to pair it up with a DVD camcorder to watch your vacation vids on the fly.