modelling of oligosaccharides?

 Hi: A colleague wants to add molecular modelling
 to her work on synthesis etc on "conformational aspects of oligosacch=
 what would people recommend in terms of soft/hardware?
 Thanks, John
                               Dr. John M. Simmie
                Chemistry Department             Roinn na Ceimice
                University College         Col=E1iste na hOllscoile
                Galway                                   Gaillimh
                Ireland                                      Eire
                Fax: (+353)-91-25700          F=F3n:(+353)-91-50388
                             XRASIMMIE (+ at +) BODKIN.UCG.IE