If you're planning to attend MIX next month with an interest in WCF, look for these sessions in particular:

• Creating a RESTful API with Windows Communication Foundation
  Speaker(s): Viphak Lay, Haider Sabri, Paul Walker

  Learn how MySpace used Windows Communication Foundation and .NET 3.5 to rapidly scale up a massive RESTful API infrastructure that process millions of requests a day.

• Working with Data and Web Services in Microsoft Silverlight 2
  Speaker(s): Eugene Osovetsky

  Learn how easy it is to utilize POX, REST, RSS, ATOM, JSON, and SOAP in your Microsoft Silverlight mashup applications. Also learn how to easily access and display data with Silverlight using LINQ and databinding.

• Building Applications and Services with .NET Framework 3.5
  Speaker(s): Justin Smith

  Come see how the new Web-friendly features in .NET 3.5 Windows Communication Foundation extend the reach of your services to simple clients like Web browsers and RSS aggregators.

• Using an Internet Service Bus to Build Next Generation Applications and Services
  Speaker(s): Dennis Pilarinos

  Learn how using Microsoft's Internet Service Bus technologies including pub/sub, message transformation, and hosted workflow enables you to easily and quickly build complex applications and services that require reach, scale, and access control.

You may also be interested in these sessions which cover web service and related development but aren't focused on WCF:

• Building Rich Internet Applications Using Microsoft Silverlight 2, Part 1
  Speaker(s): Mike Harsh, Joe Stegman

  Learn how to use Microsoft Visual Studio to create applications, how to create UI using XAML markup and code, how to build a custom control, how to retrieve data from a Web service, and how to manipulate data with XML and LINQ. (Part 1 of 2)

• Building Rich Internet Applications Using Microsoft Silverlight 2, Part 2
  Speaker(s): Mike Harsh, Joe Stegman

  Learn how to use Microsoft Visual Studio to create applications, how to create UI using XAML markup and code, how to build a custom control, how to retrieve data from a Web service, and how to manipulate data with XML and LINQ. (Part 2 of 2)

• Building RESTful Real World Applications with the ADO.NET Data Services Framework
  Speaker(s): Mike Flasko

  Come hear from developers creating real-world applications and user-interface controls on top of the ADO.NET Data Services Framework (aka Project "Astoria"). Learn best practices for building RESTful applications and components,.

• RESTful Data Services with the ADO.NET Data Services Framework
  Speaker(s): Pablo Castro

  Learn how to use ADO.NET Data Services Framework to easily create and consume REST data services on the web. This session will cover the main concepts of the ADO.NET Data Services Framework (aka Project "Astoria"), show how to use it, and discuss how to use it with Microsoft's broader vision of a common interface for Windows Live and 3rd party services.