Microsoft are getting their act together with Office 2011 for Mac.  There are major improvements which include improved support for Exchange and the reincorporation of support for Visual Basic for Applications. See the latest info at: http://www.appleinsider.com/articles/10/05/06/road_to_office_2011_new_looks_support_for_exchange_vba.html.

The Exchange improvements are well overdue as the current Entourage is a disaster with slow synchronisation, corrupting databases, inability to save custom distribution group, etc… Bringing back Visual Basic for Applications will also resolve the headache of not being able to use macro enabled Excel spreadsheets in a mixed Mac/PC workgroup.