Tim,
I think you may like this better
http://www.duckworksbbs.com/gear/shower/index.htm
We use something like this on ocean voyages where water is scarce. Has a lot of advantages, lighter, simpler and will not bang around. Instead of having a dedicated stove just for your shower, use your camp stove instead. Boil up a pot of water and add to some cold water in the sprayer. You now have enough hot water for a shower. Keep water in the shower and leave it in the sun to warm up, the black color will raise the temperature some. Keep it around camp and you always have running water to wash your hands or rinse dishes.
Oh, and did I mention it is about a fifth the price