Although they aren't very sexy, reporting and business intelligence are core business functions. IT-Director.com has an article on Yukon's BI capabilities, and speculates that Microsoft's efforts here will make a huge impact on this market (Flessner agrees). Having seen the upcoming Reporting Services product, I think that the impact will be significant. The product represents a huge step forward and will greatly enhance the productivity of corporate developers and IT people focused on reporting solutions. And to further the XML/Web services conspiracy theories, there are even Web services interfaces supported for accessing reports.