The M06 family (M06-L, M06, M06-HF, and M06-2X) was added to MOLCAS by Roland Lindh and will be available in version 7.4, with an expected release date of March 2009.
Note that there will be a MOLCAS workshop at the University of Minnesota in May 2009: http://www.ima.umn.edu/2008-2009/SW5.4-8.09/