Soooooooooooo I got this email a few days ago:

We're writing about the order you placed on June 05, 2016. The item(s) you ordered is not yet released. We will notify you of a specific delivery date when one is available.

"Atari Flashback Classics: Volume 1"

(same for vol. 2)

When I pre-ordered these the release date was Oct. 4.