StreamInsight on CodePlex is a community-driven space for sample code that uses the StreamInsight framework API.
For more information about the individual contributions, please follow the links below:
The HighwayMonitor simulation system that Greg Low created for the SQL Server Metro program is available from the SQL Server 2008 R2 Developers Toolkit available here: http://go.microsoft.com/?linkid=9710868
. The toolkit also contains video presentations and demonstrations on using StreamInsight.