Change the trackball color on the Nexus One.

It is a fancy hack and one that some might find useful. As far as I'm concerned, it does not matter which color the trackball uses to diferentiate the notification type. If you do, then go to www.droiddog.com/android-blog/2010/02/n1-multi-colored-trackball-and-custom-live-wallpapers/ For instructions on applying this hack.