If you think your story is ready, then I say go for it! Although it's better to have something take a little more time and be proud of it then releasing it prematurely and wanting to change things. The idea of releasing it on a date symbolic to the story is a pretty cool idea too!
Yes, that's what I've been thinking about. Mysteries and suspense take time, so there's no plotholes or wasted scenes. We still have to finish up drawing the pictures and picking out a great summary to hook people in. We should wait.