SQL on Rails

While trying to find a Ruby on Rails search engine I came across this: SQL on Rails. It gave me a good laugh, especially their screencast. But I couldn't stop thinking that these guys have way too much time on their hands. Then again, I also have way too much time on my hands these days. How's the saying go? "Idle hand are the devil's tool." But in my case it goes toward something more productive... I hope.