If you want complete "waterproofness" then "Baja Bag" is the brand to go with. I've had superb luck with them.
Or, you could go with one of these babies:
http://www.altrec.com/shop/detail/6226/9 ------------------
Thanks,
Pahnutmanem
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kjw &
the PNUTMNM
The liver is evil, and must be punished...