Hey guys!
We've put up some detailed guides on getting Marshmallow on your Nexus device over the weekend. Google is rolling out the update via OTA, but will take weeks to get to everyone. If you're impatient, we've got thorough guides on installing Android 6.0 from the OTA links and factory images.
http://www.talkandroid.com/guides/beginner/how-to-install-the-marshmallow-factory-image-on-your-nexus-device/
and
http://www.talkandroid.com/guides/beginner/how-to-install-the-marshmallow-ota-on-your-nexus-device/
Be sure to let us know of any thoughts, comments, and questions. We'll help you out anyway we can.