Just got my shipping email from CoolStuffInc preorder. They now show the item as out of stock.
Same for me
Here are some places with stock. No coolstuff. No amazon yet.
For those in the US-
Starlight Citadel: http://www.starlitcitadel.com/games/citadels-revised.html
Great Boardgames: http://www.greatboardgames.ca/citadels-6354.html
Leisure games: https://leisuregames.com/products/citadels-1