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Read about Ubuntu's brainstorm website over at /. and being an Ubuntu user I had to check it out. Once there I noticed that you had to register to use the website so when I visited the registration page I saw a very familiar design: http://brainstorm.ubuntu.com/user/register
Ubuntu brainstorm is similar to Dell's Idea storm the aim being to let the community members submit their ideas on how to make the OS better and then other members vote the idea up or down similar to the way it is done on Digg.com