http://blogs.technet.com/andrew/archive/2008/04/15/using-oracle-data-with-microsoft-business-intelligence.aspxBefore I joined Microsoft, I was working on a large project to build SQL Server 2005 analysis services cubes from data in Oracle 10g.  The fun we had trying to get the data out and setup the servers!  Getting the OLEDB drivers and the Oracleen-USCommunityServer 2.1 SP1 (Build: 61025.2)