Few weeks ago IBM did Virtual Experice version of IOD 2009 Las Vegas conference. Using web technologies you can join virtual conference and listen to sessions (more than 30 available), download presentations, chat and mail with other online people (usually 2-5 people around, nice opportunity to find new potential customer) . Its really nicely done and you should take a look and spend there few hours. Its time good spent.
You can register (free) here.