In the multiplayer arena there isn't a role for the Blackbird, although I am sure that if ED decides to create it as a module they will find a way to make it useful. Having said all that I still believe it would be an awsome singleplayer experience as long as there are great campaigns for it.
I don't think we are going to see it as a module any time soon however it would be great if at least we got it as an AI unit.