A couple of weeks ago I attended ACCU 2009 to deliver a talk on "RESTful Services and Distributed OSGi - Friends or Foes" and "AJAX for Mobile Devices - Using Apache Projects to get the job done". The conference was very well organized (thanks Giovanni) and took place in the beautiful city of Oxford. The format (keynote presentations and smaller breakout sessions) allowed for a good mix of thought-provoking presentations and good discussions. The audience was made up from very-experienced software-engineers and no-BS project-mangers.
I am looking forward to learn about the agenda for next year.