Learn to use the Scrum template for Microsoft Office Project 2003 to create a product backlog and/or sprint backlog for an Agile project management environment. The COM add-in generates burn-down graphs and cumulative flow diagrams in Microsoft Office Excel. (13 printed pages)
It adds a button to the Analysis Toolbar that lets you generate a burndown chart in Excel.
The downside is that you have to compile it yourself using VB6. But the upside is that with the source available you can extend it and build on it to suite your needs.