"If you are a Nodejitsu Platform-as-a-Service or Iris Couch customer, we don’t have a definitive answer for you yet. We are currently vetting other PaaS and DBaaS companies to find the most seamless transition for you. We will communicate the next step in your process towards the end of March once we have completed the vetting."
Chalk another one up for: http://ourincrediblejourney.tumblr.com/
At least there is some vague promise of migrating to another service.