Dear Colleague, We are pleased to announce that a new version of Symmetry-Adapted Perturbation Theory (SAPT) codes, named SAPT2006, is now available at http://www.physics.udel.edu/~szalewic/SAPT. The main new features are SAPT based on Kohn-Sham's description of monomers and third-order corrections. See the web page for the list of other enhancements. To join or leave the molecular-dynamics-news email list, go to: http://www.jiscmail.ac.uk/lists/molecular-dynamics-news.html