This email was created by [your name] who thought you would be interested in the following Article:
"Parallel Branching and Scoping in BizTalk Orchestrations - Advanced Concepts"
This article explains the various tricky issues in parallel branching in BizTalk Server 2004 Orchestrations.
CodeProject also contains hundreds of articles, free source code samples and applications to help in your day to day programming. Why not give it a try!