This tutorial explains how to extend WCF to create custom Message Interceptors. We will first take a look at how we can create our custom interceptors and hook them into the WCF pipeline. We will then take a look at how we can intercept both inbound and outbound messages to allow us to perform some sort of actions against the messages.
Watch this video on http://www.dimecasts.net/Content/WatchEpisode/193

This video presents how developers can build RESTful solutions using Microsoft’s technologies, especially with WCF and .NET.
http://www.infoq.com/presentations/Building-Systems-with-REST

This video looks at how you can use Visual Studio 2010 to perform load testing on your WCF services. When you build any WCF services, it is very important to understand how they will handle under load and stress. You want know that your services will respond well under peak load in order to allow your users to have a solid experience. Visual Studio 2010 Ultimate has tools built in which will give you this ability.
http://www.dimecasts.net/Content/WatchEpisode/183

This tutorial shows how BDD can be done from early requirement collection stage to late integration tests. It explains breaking user stories into behaviors, and then developers and test engineers taking the behavior specs and writing a WCF service and unit test for it, in parallel, and then eventually integrating the WCF service and doing the integration tests. It introduces how mocking is done using the Moq library. Moreover, it shows a way how you can write test once and do both unit and integration tests at the flip of …

Many developers use services to build and integrate applications and line-of-business systems with SharePoint. With SharePoint 2010, developers now have a wider array of options that include ASP.NET, Windows Communication Foundation (WCF), and RESTful services. Come get a demo-rich walkthrough of each option and discuss where each of the services might be appropriate and what you stand to gain by using them.