I bought the Olympus 770sw a few years ago; they're now called the Tough series. Waterproof to 33', crush proof (220#), freeze proof (14*F), drop proof (5'). Perfect for mountain biking, skiing and other stuff.
It's no where near a DSLR, of course, so you do give up some picture quality, but for a point and shoot, they're just fine. And for a go anywhere camera, they're pretty darn good. Read some of the reviews... I was going to upgrade to the 8010 but it seems a bit slow. Might wait one more generation or just go for the 6000 series. Here's a riding picture taken with the camera:
And as a great bonus, I can let my 4 year old - and have since she was about 2 - use the camera and see the world through her eyes. She's taken some really good pictures, too!