"You read that right, folks. The update to Google's Nexus One that we thought would just be a basic 3G fix instead has been loaded with other goodies, including:
Keep an eye on your notifications bar, which is where you'll be alerted that the update is ready for you. Google says it will be rolled out gradually (sorry, that's just the way it is), and that you might not get the update until the end of the week. Let us know if and when you get it! [Google]" via androidcentral.com