Following are some technical stuff which may useful to all in near future.

Hello .NET 3.0 Installation!
http://www.codeproject.com/useritems/Hello_NET_30_Installat.asp

Exploring Windows Communication Foundation – Part 1
http://www.codeproject.com/useritems/edujini_wcf_scart_01.asp

WCF Basic Client/Server
http://www.codeproject.com/useritems/WCFCS.asp

Simple Web Service using WCF (Windows Communication Framework)
http://www.codeproject.com/useritems/WCFWebService.asp

Service Orientation and WCF
http://www.codeproject.com/useritems/Service_Orientation_WCF.asp

Microsoft forum for Windows Communication Foundation (May be you can find your some answers here.)
http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=118&SiteID=1