PI Coresight has been officially released and it is available from the Download center.
If you want to learn more about PI Coresight and it's capabilities, this will be your best resource.
About the setup kit
This setup kit installs PI Coresight and includes Online Help, Release Notes, and an Administrator Guide. The setup kit also provides PI AF Client 2010 R2, PI AF Client 2010 R2 patch 2.3.1 to support AF data retrieval, PI OLEDB Enterprise R2 SP1 for enhanced AF search performance, and the PI SDK 2010 R2 for PI Server data retrieval. Please see the Release Notes on the PI Coresight home page for more information.