http://blogs.technet.com/b/andrew/archive/2008/05/21/open-business-intelligence-spoilt-for-choice.aspxLet me start with a little history of Microsoft BI. Microsoft acquired an OLAP tool from a company called Panorama , project name Plato, which was bundled in with SQL Server 7.0 and from this grew the present incarnation of Analysis Services which IMHOen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/andrew/archive/2008/05/21/open-business-intelligence-spoilt-for-choice.aspx#3190869Fri, 23 Jan 2009 20:52:06 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3190869J.H.<p>Just wanted to add that in addition to the &quot;major players&quot; you mentioned, there's some less expensive alternatives for documentation generators by Adivo:</p> <p>(<a rel="nofollow" target="_new" href="http://adivo.com/home.aspx">http://adivo.com/home.aspx</a>) </p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3190869" width="1" height="1">