For download at the Microsoft site:
Microsoft Office SharePoint Server 2007 is a business productivity server that brings information management and access, collaboration, and people-driven processes into the familiar environment where people do their work every day. People benefit from the familiarity and consistency of a single environment for all their information and collaboration tasks that is easy to learn, use, and personalize. IT has a single platform and well-integrated set of technologies to manage and lower user support requirements.
Your business can rapidly customize and extend the deployment of SharePoint Products and Technologies—Office SharePoint Server 2007, Microsoft Windows SharePoint Services, and Microsoft Office SharePoint Designer 2007—by using powerful out-of-the-box integration to extend current investments. Or your business can choose from a wide ecosystem of Microsoft partners to develop innovative enterprise applications quickly and at lower cost. With SharePoint Products and Technologies, your organizations can more easily leverage their knowledge capital of enterprise data, human expertise, process knowledge, and content to operate with greater agility in a dynamic and complex world.