Microsoft BI versus BO
In this whitepaper you can find the opinion of Symcorp as far as the comparison of Microsoft's BI offering & BO's BI offering concerns.
Surprise, surprise,
Summary
Business Objects provides a disparate collection of client tools with limited tool integration, littlevertical integration, and without support for open standards that discourages the leveraging of the existing infrastructure and does not leverage existing developer skill sets. Microsoft provides an integrated collection of server and client tools, full vertical integration, and full support for open standards that leverages existing infrastructure and developer skill sets.
Have fun reading it :-)