Several of IBM's messaging products developers have now started a blog.
The full name of the effort is "A bunch of bloggers from IBM software Labs working on WebSphere MQ, WebSphere Message Broker, WebSphere MQ Everyplace, IBM Lotus Expeditor micro broker," a group that calls themselves the IBM-Messaging-Evangelists. These guys are from the groups that develop some of IBM's various messaging products. They're doing a nice job of announcing new releases and linking to relevant materials so you can learn more.
Check out the IBM Messaging blog and the corresponding IBM Messaging space.