They waterproof flexible keyboard I've seen references to
recently (most recently in Byte)
has been around for over a year. This was a Slashdot story
over a year ago, based on my submission (he noted modestly).
I read about it in wired magazine. Now it's hitting the rounds again. The actual maker of this product is a company called inpace. They're still not available for sale in Canada that I'm aware of though - when I emailed them last year about it, they asked me if I wanted to be the distributor!