The latest Discoverer Statement of Direction is now available from OTN:
http://www.oracle.com/technology/products/discoverer/index.html
or a direct link to the document:
http://www.oracle.com/technology/products/discoverer/pdf/discoverer_sod_2007.pdf
There will also be a session at the ODTUG conference next week in Daytona Beach covering the Discoverer roadmap and plans to integrate with Oracle BI Enterprise Edition.
Hope to see you there !