For your awareness to know this kind of functionality is coming.
[Updated June 26, 07: here is a link to the final release version.]
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Microsoft SQL Server 2005 Reporting Services Add-in for SharePoint Technologies (Reporting Services Add-in) allows you to take advantage of SQL Server 2005 Service Pack 2 (SP2) report processing and management capabilities within Windows SharePoint Services 3.0 or Microsoft Office SharePoint Server 2007. The download provides the following functionality:
The Reporting Services Add-in works together with SP2, which is required on the report server. SP2 provides the following functionality for a report server that is configured for SharePoint integrated mode:
Warning: No automatic upgrade supportPre-release versions of the Reporting Services Add-in cannot be upgraded to a future version. Also, it is possible that you might not be able to upgrade the report server database that you create in this release. If this occurs, you will have to republish all data files and redefine subscriptions, schedules, report history.