Looking for more information on SSIS functionality in SQL Server Denali? Head over to the SQL Server Denali Resource Center. There are plenty of articles and links to community blog posts, as well as 12 videos about the new functionality in SSIS.
Migration and Deployment
Impact Analysis and Data Lineage
SSIS Designer Enhancements
Also be sure to check out the great articles on the new TechNet Wiki, which provide overviews of the new Usability Enhancements and Project Deployment Model.