The information center for WebSphere Message Broker v6.1 was updated last week. Here are the links to the latest information centers:
When you do a search using Google for WMB documentation, you are likely to get hits in the v6.0 message center, ensure the url contains v6r1m0 rather than v6r0m0 like the following if you want v6.1 docs:
http://publib.boulder.ibm.com/infocenter/wmbhelp/v6r1m0/index.jsp
