So the new deadline is 31 July, which is three weeks later than planned. On the 31, we'll open the community to posts. On 4 August, we'll set everything back to moderation so that we can gear up for round two. (The response to this has been far, far beyond what we expected -- we were ready to declare things a wild success if we got ten participants. So there's definitely going to be a round two.)
In sum: NEW DEADLINE 31 JULY. Don't start your last minute panicking just yet.