[Zope-dev] Zope Presentation

Hi, I`m thinking about doing a presentation of Zope to the rest of my company. At this point the company is based entirerly on Microsoft software and has great knowledge of ActiveX and COM-objects, MS SQL Server 7 etc. How could I best present Zope in light of what employees at my company allready know? It`s important that we can use most of our products and technology from inside Zope. In addition to this, I`d like to know what the best arguments for using Zope ( like open-source, free, extendable etc. ). Thanks!! Thomas