The Conficker worm is still around and still newsworthy. On 24 January, 2011, the Conficker Working Group published its Lessons Learned report (summary, pdf), a DHS funded effort prepared by the Rendon Group.
Jose Nazario of Arbor Networks has an insightful "insider" blog post on the announcement and report. I won't steal Jose's thunder by summarizing his post, but I will encourage you to read and appreciate the three takeaways he describes.
I'm also flattered and humbled that Jose mentions my 11 May 2011 report in his blog:
"Another after action report came from ICANN, who was instrumental in the response. The report was published in May, 2010, and is largely a timeline of events. The two together are very worthwhile reading if you are involved in the operational security community."
The two reports, along with Jose's blog post, are indeed complementary and worth reading together.