We're upfront about the probationary period with all candidates, they start knowing they'll receive a lot of feedback in the first few weeks, they'll get an opportunity to see if it's a fit from their side and also from the team's side.
Weighing in from the "Recruiting" Startup industry myself, check out https://grouptalent.com/ (which i have nothing to do with) if you are in that hiring mentality, that way everyone knows exactly what is going on and there is a better reaction set all around.
We are all SOA, and with ShipBuilder the types of nodes are simplified to: shipbuilder nodes running any kind of desired app servers, databases, load-balancers, and cache servers.
At cuil we were told by mgmt of the launch date and our very talented PR team kicked into gear and generated a ton of buzz via a nationwide press tour.
Despite popular opinion, the ops team kept the site up during the massive traffic surge. A combination of poor mgmt, initial deference to user testing, last minute commits and a nasty indexing bug were the reasons the relevance sucked on day 1.