http://saranyan.com/commerce_wheel
This commerce wheel was built for developers to visualize the different API offerings from X.commerce (developer wing of eBay inc.)
D3.js, jQuery
Reach out to @saranyan
I love D3 and in general dataviz. The code is open, feel free to fork it, build upon it, do whatever you want. If you are in Austin and talk about data visualization, send me note and we can grab a beer.