In case you have the gumption to watch videos while underwater, the Chinavision PMP allows you to do such a feat. I don't know how you'll hear them, but hey, at least you could take it white water rafting.

Of course, you better make certain you don't take it any deeper than 3 meters, or it can't handle it. You should also know that your videos will need to be in AMV format, but it comes with conversion software. You had better be able to fit them on 1GB of storage space in order to watch them on the 1.8" display.

Unfortunately, I don't have a release date or price.

Via Ubergizmo