Microsoft .NET 4.0, and WCF 4 and WF 4 are all comming..... VS 2010 is availbe for beta 1 download..... Now you need to get up to speed.... have a look at the training... WCF / WF 4 Training Kit: http://code.msdn.microsoft.com/wcfwf4/Release/ProjectReleases.aspx?ReleaseId=2698   more »

The BizTalk ESB Toolkit 2.0, formerly known as the ESB Guidance 2.0 - was released on the June 9th to the web on the new ESB page in the BizTalk Developer Center on MSDN. This toolkit is a collection of tools and libraries that extends BizTalk Server 2009 capabilities of supporting a loosely coupled and dynamic messaging architecture. It functions as middleware that provides tools for rapid mediation between services and their consumers. Enabling maximum flexibility at run time, the BizTalk ESB Toolkit 2.0 simplifies loosely coupled composition of service endpoints and management of service interactions.    more »

An Enterprise Service Bus (ESB) is an architectural pattern and a key enabler in implementing the infrastructure for a service-oriented architecture (SOA). Real-world experience has demonstrated that an ESB is only one of many components required to build a comprehensive service-oriented infrastructure (SOI). The term "ESB" has various interpretations in the market, which have evolved over time; however, the basic challenge it addresses is the same.   more »