Nice post. Would love to more about your application of Akka Cluster -- it's far and away the most interesting part of Akka to me, and something we have plans to build some very interesting systems on top of.
I work for a large organisation and am not really in a position to go into details about what we'd be using it for at the moment, sorry.
Suffice it to say that we're pretty early on in the project and so far we're using Akka Cluster for sharing transient state between nodes, without the need for any kind of persistence store being used. My post was in response to the pain I had in getting over the initial hurdle of getting a prototype running.
