Very interesting proposes for project information visualization [Big Visible Charts]. Real Estimation Risk and Iteration plans examples. And perfect article from Ron Jeffries about the same stuff.

If you are stuck to XP or any other agile methodology, you should try Big Visible Charts.

Crystal Clear
Crystal is one of the best agile methodologies created by Alistair Cockburn. You can download Draft of: Crystal "Clear" book (zip) for free. If you like agile methods, you will like Crystal as well.

Crystal Clear Process Definition: "The lead developer and 2-7 other developers in a large room or adjacent rooms, with information radiators such as whiteboards and flipcharts on the wall, having access to key users, distractions kept away, delivering running, tested, usable code every month or two (OK, three at the outside), periodically reflecting and adjusting on their working style."