I just spoke with Matt, and the 2nd wave pre-sales are a month after the first:
August 12th at 9:00 PM EST for Insectae
August 15th at 9:00 PM EST for The Deep
You can add that to the main post as well if you'd like. We'll also be putting it all in the threads once we post them.
I'll try to get more info soon, but my head is throbbing after watching/hearing kaiju battle jaegers for over two hours.