There's Insturgence: The Return on June 3-5, 2011 at the Hilton Birmingham Metropole Hotel in Birmingham, U.K. Well, David Anders has just been confirmed as a guest! For more information, head over to their official website: http://networkedblogs.com/eo1v9
Also, David has been confirmed for Interview with Vampires Con in Paris, France. This convention will be held on the 15th, 16th and 17th of April at the Carré Bellefeuille in Boulogne-Billancourt. Visit their website for more information: http://ultimartconvention.com/
Also, I was browsing Twitter this morning and saw an interesting updating regarding David. Several accounts dealing with news for The Vampire Diaries have reported that he's recently made a Twitter account. It hasn't been confirmed yet and he only has 4 updates, but here's a link. His username is 'QuestionAnders'.