Windows Communication Foundation (WCF) Development and the .NET Compact Framework
http://msdn.microsoft.com/en-us/library/bb397803.aspx

.NET Compact Framework Technology Samples: GZip Encoder Sample
http://msdn.microsoft.com/en-us/library/cc138373.aspx
http://msdn.microsoft.com/en-us/library/ms751458.aspx

.NET Compact Framework Samples: WCF Exchange Server Mail Transport Sample
http://msdn.microsoft.com/en-us/library/cc138366.aspx

.NET Compact Framework Samples: WCF HTTP Sample
http://msdn.microsoft.com/en-us/library/cc138369.aspx

.NET Compact Framework Samples: WCF ServiceModel Sample
http://msdn.microsoft.com/en-us/library/cc138367.aspx

MSDN Blogs

The Journey of the Lunch Launcher
http://blogs.msdn.com/davidklinems/archive/2007/11/12/the-journey-of-the-lunch-launcher-part-8-what-did-i-learn.aspx

Windows Communication Foundation (Compact Edition) and the story of the Lunch Launcher
http://blogs.msdn.com/romanbat/archive/2006/10/21/windows-communication-foundation-compact-edition-and-the-story-of-the-lunch-launcher.aspx

WCF Subset Supported by NETCF
http://blogs.msdn.com/andrewarnottms/archive/2007/08/21/the-wcf-subset-supported-by-netcf.aspx

Introduction to Windows Communication Foundation for the .NET Compact Framework Messaging Stack
http://blogs.msdn.com/markprenticems/archive/2007/03/27/introduction-to-windows-communication-foundation-for-the-net-compact-framework-messaging-stack.aspx

GZip message encoding for WCF applications written using .Net Compact Framework
http://blogs.msdn.com/maagniho/archive/2008/12/24/gzip-message-encoding-for-wcf-applications-written-using-net-compact-framework.aspx

MSDN Magazine

Mobile WCF: Write an IM App with .NET Compact Framework
http://msdn.microsoft.com/en-us/magazine/cc164240.aspx

OpenNETCF Articles

An Introduction to WCF for Device Developers
http://community.opennetcf.com/articles/cf/archive/2007/11/29/an-introduction-to-wcf-for-device-developers.aspx

Exchanging Data using Windows Mobile, Windows Communication Foundation, .NET Compact Framework and Exchange 2007
http://community.opennetcf.com/articles/cf/archive/2008/06/09/exchanging-data-using-windows-mobile-windows-communication-foundation-net-compact-framework-and-exchange-2007.aspx

Exchange Server

How to Configure Exchange Server Always Up-To-Date Notifications
http://technet.microsoft.com/en-us/library/cc164312(EXCHG.65).aspx

What is the Exchange ActiveSync Up-to-date feature and how does it work?
http://msexchangeteam.com/archive/2004/04/26/120520.aspx

The Design of Exchange Direct Push in Exchange 2003 SP2
http://msexchangeteam.com/archive/2005/06/07/406035.aspx

Chinese

Windows Mobile 进阶系列.WCF Mobile(Part 1)
http://www.cnblogs.com/fox23/archive/2008/03/28/wmadv5.html

Windows Mobile 进阶系列.WCF Mobile(Part 2)
http://www.cnblogs.com/fox23/archive/2008/03/30/wmadv5-2.html

Windows Mobile 进阶系列.WCF Mobile(Part 3 & Final)
http://www.cnblogs.com/fox23/archive/2008/07/26/wcf-compact-on-windows-mobile-part3.html

数据交换=>Windows_Mobile+WCF+Exchange2007 - part1
http://www.cnblogs.com/fox23/archive/2008/08/01/exchanging-data-using-windowsmobile-wcf-net-compact-framework-and-exchange-2007.html

数据交换=>Windows_Mobile+WCF+Exchange2007 - part2
http://www.cnblogs.com/fox23/archive/2008/08/02/exchanging-data-using-windowsmobile-wcf-net-compact-framework-and-exchange-2007-part2.html

Tools

Power Toys for .NET Compact Framework 3.5
http://www.microsoft.com/downloads/details.aspx?familyid=C8174C14-A27D-4148-BF01-86C2E0953EAB&displaylang=en

Microsoft Exchange Server 2007 SP1 VHD
http://www.microsoft.com/downloads/details.aspx?FamilyID=e99f2a96-ffbc-4323-9676-9657607c4a52&displaylang=en