Brendan covers some really exciting announcements about the Tamarin project, which aims to:
That at least gets us half of the requirements for a 'real' language, which is technical depth on the language development side. The other half of the equation is going to be a broad set of libraries, which I am going to need if I am going to write server-side applications in Tamarin. Currently there isn't a lot there and it will be interesting to see if/when we have SWIG for Tamarin.
Update: A similar perspective on the need for libraries from Tom Insam, who wrote mod_js.