Kirk Evans is a Microsoft Architect for the Azure Center of Excellence.
Introduction to SharePoint and Azure IaaS
Building SharePoint Apps with Windows Azure Platform as a Service
SharePoint Solutions and Architectures on Windows Azure Infrastructure Services
Understanding Authentication and Permissions with Apps for SharePoint and Office
Another great resource for the Service Broker:
It was through this blog that I found the SQL Server Service Broker Developers Spot. Speaking of the Forums, there are a couple great samples in the forums for anyone starting to learn this technology: