Andrew i have been looking for a similar thing and have come down to a ski type jacket also . Daiwa do a waterproof columbia made jacket called thunderstorm made from some sort of breathable material called omnitech or something similar they look the goods but they are $169 and i have had a look at the columbia store in the valley ,they are a very thin thing i dont know if they would be prone to tear or not but maybe someone here who has one might be able to post some practical use info...mat
Tackle wharehouse have them for $149 ..matt