Currently a 0.5 release, the myStatus plugin allows WordPress users to create their own status information page with all kinds of interesting custom information.
From Eightface.com:
This plugin allows you to create a number of fields specifying your current status and easily insert them into your templates. It was inspired by Merlin Mann’s post about personal status pages. For an example of the plugin in action, you can visit my status page.
Get it now at Eightface.com.