Today all three major US retailers changed the Nikon Z6 shipping date to November 16th (Friday next week): Adorama | B&H | Amazon. This is a week earlier than the official Nikon Japan shipping date of November 23rd. Current Z6 pre-orders were also updated with the new shipping date.
Also: Shutterbug, Dpreview and Imaging Resource published their Nikon Z6 sample gallery from the recent Nikon press event in Orlando.