One of my business intelligence development managers came in the office to do a walk through of his project. We are embracing Excel Services quite heavily now and he showed me an example within our Extended Outlook product. The below report is showing country comparisons side-by-side using the new Excel Slicer functionality.
Very impressive and looks quite nice! As I clicked the slicers, I was impressed on how quickly the charts re-rendered its views. I look forward to the release of Excel 2010 and SharePoint 2010 soon.