It's the last day of our quarter here at Alfresco, and I just realized that I've neglected my blog for a full month. If nothing else, it tells you about the activity here!
Engineering put out a fantastic release with 2.1 -- in particular the Web Scripting functionality. This greatly expands access into the repository and has gained traction in several scenarios... for portals, .Net, et al general N-tier designs.
Definitely take a look if you haven't already.