Cliffski has posted a Kudos game design post-mortem.
Witness the powers of Johnny Depp and Mel Gibson as they help to develop the concept and UI for one of the most anticipated indie games of the year! Cliffski noted that GUI design is especially tough when you are creating something that is different from anything else out there. While the article is short, it does provide some insight into the design process of a successful indie game developer.