Thanks to everyone who attended. Sorry for the technical difficulties with Live Meeting as well as accidentally doing one of my demos out of order. Hopefully it wasn't too confusing.
The deck is here. The demos I used are split into a few downloads. The ones built from scratch are here. The SimpleExpenseReport demo is here. This is the one where both the client service and the workflow service are hosted in the client .exe. I hope to publish a channel 9 screencast next week some time showing, step by step, how to build it. Both the "Long Running Work via Messaging" and the "Conversations" demos are part of the Visual Studio 2008 and .NET Framework 3.5 Training Kit which is a free download.