Correction, it will be ready at Succot, not Shavuot.
I do not know if it will be available through outside retailers at first.
I believe that the first releases will be package deals like this:
http://store.aroodawakening.tv/the-chronological-gospels/the-chronological-gospels-scholars-package-preorder.html?utm_source=A+Rood+Awakening&utm_campaign=89336f2b88-chrongos7_8&utm_medium=email&utm_term=0_694a20ceef-89336f2b88-281802585
Thanks for the link.