Here are some samples that demonstrate Office 2007 development projects using Visual Studio 2010 Beta 1
| Outlook Form Region RSS Reader Sample | Demonstrates how to use Microsoft Office Outlook 2007 form regions to display the full content of articles from an RSS feed. |
| Excel Master Detail Data Sample | Demonstrates how to retrieve data from a relational database or XML file and use that data in Excel. |
| Excel Document Protection Techniques Sample | Demonstrates various techniques you can use to protect structural components of a worksheet to help to prevent users from accidentally deleting controls or otherwise changing important parts of your solution document. |
| UI Manager Sample | Demonstrates how to create a Ribbon customization, a custom task pane, and a custom form region for Outlook 2007 by implementing extensibility interfaces in an add-in. Each instance of the Ribbon, task pane, and form region can correctly communicate with each other. |
| SharePoint 2007 Sequential Workflow Sample | When a document is uploaded the workflow is automatically started and a task is immediately created. The workflow then goes into a wait state until the task is updated. If the task is marked completed the workflow then completes. |
Just grab the code at: http://code.msdn.microsoft.com/OfficeDevFuture
Off course you need VS 2010 Beta 1 to open the solution.