Two new blog posts over on the AppFabric CAT blog on StreamInsight:
StreamInsight: Obscure LINQ error - The field 'Key' of type 'IKey`1' either contains a nested member, or is a type that is not supported as event type field. A walkthrough of resolving a little issue I ran into while building out a project this week, related to proper use and definition of grouping keys.
StreamInsight: Getting started with using the (Event Flow) debugger, viewing diagnostics, and exposing the management service. Everything you ever wanted to know about ensuring you can connect to the StreamInsight management service with the Event Flow Debugger.