The latest version of the Lean and Scalable Requirements Information Model for the Agile Enterprise is now published in the July ejournal of the ModernAnalyst.com. For those of you interested in trends in requirements practices, this is a good source for all things requirements and business analyst related, agile or not.
With respect to agile development, the agile methods category there has a plethora of good content.
Scaling Software Agility 