Struck me as a good idea:
http://gossamergear.com/wp/tips/tip-of- ... r-under-10
When I go up to the Marbles here in California for a weekend of alpine caving, I sometimes need a surface rain jacket as well as brief protection from waterfalls in pits. Looks like this will fit the bill for both while being lightweight and cheap. Just thought this might be a useful idea for some of you.