If you plan on floating a CLASS III rapids like this one, then don't get this pontoon :
http://en.wikipedia.org/wiki/File:WataugaTheBigHole.jpg
Check this video out, it's similar to the model you asked about, the guy really likes his:
http://www.youtube.com/watch?v=YXX86...eature=related
Also, Costco sells another version also by the same manufacture:
http://www.costco.ca/Browse/Product....=1&topnav=&s=1
I plan on getting one myself from WSS, but for use in small lakes & slow rivers only.