I bought a Sanyo Xacti. Got it on ebay for around $200 new. Takes both video and pictures. It is good for around 10' deep- I think. They make several different models with different resolutions but this is a pretty cheap, fun camera. I also have a Sony digital camera (alot more expensive) that I leave at home now. Probably to a real serious photographer the Sanyo is a joke, but we have had a ball with it.

Mark