Response Output Filters

I just finished reading Dino Esposito's excellent article from the September Msdn Magazine titled: Design Smarter Tracing for ASP.NET Pages

    http://msdn.microsoft.com/msdnmag/issues/04/09/CuttingEdge/default.aspx

In it he shows how to monkey around with the Response stream via Response Output Filters.  The demo is a useful and practical insight into this black art by way of a demo which makes the tracing output which is appended to the bottom of your pages more useable. 

Highly recommended!