UPDATE April 16, 2012: The paper is officially published now. I’ve updated the citation and link below accordingly. More new goodies: Yates, A.M., Wedel, M.J., and Bonnan, M.F. 2012. The early evolution of postcranial skeletal pneumaticity in sauropodomorph dinosaurs. Acta Palaeontologica Polonica 57(1):85-100. doi: http://dx.doi.org/10.4202/app.2010.0075 This is only kinda sorta published.