These are some useful web sites in SharePoint. Hope this will work for you.
- 2007 Office System Video: Windows SharePoint Services Platform
- Windows SharePoint Services 3.0 Video: Blog and Wiki Support
- Demo: Tour a SharePoint site
- SharePoint Screencasts (Video Tutorials)
- Office SharePoint Server 2007 Video: Web Content Management in Office SharePoint Server 2007
- Video demos for Office SharePoint Server 2007
- Demo: Tour a Windows SharePoint Services 3.0 site
- 2007 Office System Video: Enterprise Content Management
- 2007 Office System Video: Portals
- 2007 Office System: How Do I Screencasts
- SharePoint Designer 2007 Business Administrator Training
- Microsoft Office SharePoint Server 2007 demo
- White papers for Office SharePoint Server 2007
- Microsoft Office SharePoint Server 2007
- 2007 Office System Video: Client Development
- Office 2007 in action