Android Version 4.3 update being pushed today to current Nexus devices.

Google just announced live in San Francisco that current Nexus devices will be getting the Android Version 4.3 update starting today.
Hugga Barra just confirmed at the event that the Nexus 4, Nexus 7, Nexus 10 and Galaxy Nexus will all be getting the update starting today.

For those of you that own the above devices start mashing that system update button.  Unless of course you’re going the custom ROM route.