Distributed Caching in .NET

Saw this today and thought this intesting:

 http://msdn.microsoft.com/en-us/library/cc645013.aspx

Bits and a sample are available:

http://msdn.microsoft.com/en-us/data/cc655792.aspx

Until now the only caching option from Microsoft has been the Caching block from the P&P group. This offering (code named "Velocity") really ups the ante...