The North West Drupal User Group (NWDUG) will be hosting their third yearly unconference on November 3rd.
Like a regular conference, there'll be lots of talks on various Drupal-related topics; Drupal itself along with supporting topics like security, UX, and marketing.
What those topics will be, nobody knows until the event. Unlike conferences, the talks are brought and selected by the attendees on the day.
It's a good place to give your first talk as it has a relaxed and friendly atmosphere. So if you've got something to talk about, be it a "How to" guide, a case study, or something technical, bring it along.