Herwig++ 2.0beta Release Note
  A new release of the Monte Carlo program Herwig++ (version 2.0beta) is now available. The main new feature is the extension of the program to include simple hadron-hadron processes including the initial-state parton shower. 
S. Gieseke, D. Grellscheid, A. Ribon, P. Richardson, M.H. Seymour, P.   Stephens, B.R. Webber