Some avenues for future exploration:
- What’s New in Visual Studio 2005 Tools for Office – an awesome look at the tools that allow you to extend Microsoft Office via .NET
- Creating Smart Documents with Visual Studio 2005 – a great tutorial on how easy is to really add functionality to office
- Coding4Fun: Extending the Personal Web Site Starter Kit
- XML Developer Center: XML in the .NET Framework: An Introduction to the XML Tools in Visual Studio 2005