The videos are always the best place to see new pre-orders from Games Workshop. So here it is, the latest video along with a link to the newly updated "Last Chance" section for the Age of Sigmar.
The last chance to buy section for the Age of Sigmar is huge. 95 items are on it, and many of them are already sold out.
https://www.games-workshop.com/en-GB/Warhammer