Amazon.jp has the limited edition of xxxHOLiC Rei Volume 4 up for preorder. The limited edition will come with the 2005 Blu-ray edition of the 2005 xxxHOLiC animated movie.
The release date is October 6, 2016.
Tsubasa World Chronicle Volume 3 will be out August 17th. (the original date was July, but got pushed back..I'm not sure if the new release date got posted here.). The limited edition will come with a PlayButton audio drama. Amazon.jp link
And if you were curious about the new interactive CCS wand and cards, a video of how they work was posted on twitter.