What is the best digital camera that can go underwater?

I saw it once and it was really thin and really really nice, i dont want one of the big underwater ones

Olympus Stylus 770 SW it can go down to about 33ft
http://www.olympusamerica.com/cpg_sectio...
Pentax Optio W30 it can go to 10 ft
http://www.pentaximaging.com/products/pr...

You can get a camera and you can buy a waterproof case for your camera model.