WABS Online Resources
BizTalk Services SDK, schemas, and tools: http://www.microsoft.com/en-us/download/details.aspx?id=39087
BizTalk Services Forums: http://social.msdn.microsoft.com/Forums/en-US/azurebiztalksvcs
Windows Azure Code Gallery: http://code.msdn.microsoft.com/windowsazure/
BizTalk Services Portal: https://portal.biztalk.windows.net/
BizTalk Services MSDN documentation: http://msdn.microsoft.com/library/windowsazure/hh689864.aspx
Provisioning a BizTalk Service Using Windows Azure Management Portal: http://www.windowsazure.com/en-us/manage/services/biztalk-services/provisioning-biztalk-service
BizTalk Product Team Blog: http://blogs.msdn.com/b/biztalk_server_team_blog
Hybrid scenario presentation: http://channel9.msdn.com/Events/TechEd/NorthAmerica/2013/WAD-B405