Microsoft have announced that they won't be running a BI conference as a separate event this year and that they will be supporting the SQL PASS summit as one of their key BI events for the year.
Because of that, PASS has extended the call for speakers (that originally was to close at April 10th), to allow for those that might now want to consider speaking at the summit.
Regardless, this means that the SQL PASS Summit will truly be the place to be for SQL Server and BI professionals this year. I hope to see you there.
Details are at: http://summit2009.sqlpass.org/