This has come up at a couple of my SQL Server 2005 BI events, so let me summarize:
“The Microsoft Office Business Scorecards Accelerator is a Web-based solution that enables employees at all levels of the enterprise to simplify the measurement of key performance indicators (KPIs) and visualization of business strategies.“
It doesn’t, however, support SQL Server 2005. Microsoft is supposed to be updating Office so that it will consume KPI data from