While all the rest of us wait, lets do something productive. While knowing the pre-order dates of the previous Early Release Candidates, it can easily be inferred based on pre-order dates who will be invited next. Keeping us updated with who may be available to play during the next wave.
Starting tomorrow (while not spamming refresh in your email inbox) when you or someone you know gets invited please reply to this thread with the following..
The Day you/they pre-ordered (Vital):
The Wave in which your/their invite was sent:
The date you received your/their email: