With so many products going under water these days, the only thing we can surmise is that people are really taking this whole global warming thing seriously. That would be at least one explanation for the proliferation of gadgets like this waterproof digital movie camera.
Gizmag says the Sanyo VPC-CA6 has a resolution of 6 megapixels and a 5x optical zoom, retailing for around $250. It does take stills as well, but if you're not satisfied with the quality you can try any number of waterproof point-and-shoot cameras. Either way, you can transfer your shots with your waterproof USB device onto your underwater monitor--and view all your work without ever coming up for air.