Where to learn SQL Server Service Broker?

Are there any good resources to learn Service Broker?
I'm looking for a newbie-friendly guide.

Some online articles:

• An Introduction to SQL Server Service Broker

• Service Broker Tutorials

I myself host a few articles:

• Reusing Conversations

• Writing Service Broker Procedures

• Troubleshooting Conversations

And there are several introduction level practical examples:

• Centralized Asynchronous Auditing with Service Broker

• Service Broker Foundations Workbench

• Using Service Broker instead of Replication

• Introducing Distributed Messaging using Service Broker in SQL Server 2005

• Building the MSDN Aggregation System

StackExchange Database Administrators Q#18310, answer score: 21