One of the things that I showed at Lotus Developer 2007 in my Advanced Office session was the Microsoft Office Interactive Developer Map. As big and overwhelming the 2007 Office Developer's roadmap is, this little gem gives you a great way to explore. It is a live application that you can click around. It contains links and it reads feeds to give you current information. Here is what it looks like:
The Microsoft Office Interactive Developer Map helps developers visualize the different programs, servers, services, and tools that will help you build solutions. It allows you to drill down to each product and technology and learn about new features, objects, Web services, namespaces, and schemas required to extend Microsoft Office and build custom Office Business Applications (OBAs). This map provides links to MSDN portal pages, technical articles, and key pointers to SDK and reference documentation topics.
When you download the map you can see an overview of the Office developer roadmap. You can click a product or technology to drill down and find resources related to the product you selected: