You can find code samples for the PivotViewer control in the download at:
(the samples are installed under: C:\Program Files\Microsoft SDKs\Silverlight\v4.0\PivotViewer\Jun10\Source)
The just-in-time collection server sample code is available from:
The most active developer discussion forum for the Pivot technologies is on: http://getsatisfaction.com/live_labs_pivot. Many of the Pivot team actively contribute to the questions and comments there. We would love to hear your feedback too.
Hope that helps,