Kathleen has just posted two new videos showing how VSTO's Data Binding Features work.  I guarantee you'll be wowed by these videos.  The first shows the creation of a databound list and controls in Excel created by simply dragging and dropping.  The second shows how to create databound bookmarks in a Word document.  They are each only about 5 minutes long.  Check 'em out.

Demo 9 -- How to Bind Data to Controls 
Demo 10 -- How to Bind Data to Controls on a Word Document.