On Saturday morning at DrupalSouth, Kim Pepper and I presented Everything you wanted to know about Drupal 8 but were too afraid to ask.
Watch the presentation in full from Jam's (Virtual) DrupalCamp
And the slide-deck:
Edit: The video is now online too, you can watch it here.
Slides can be downloaded here.DrupalSouth Drupal 8 Drupal Development Module development