Here, by popular demand are the videos as they get filtered through the upload process and review process! Thanks for your Patience!
Joe Ortenzi: Inclusive Design
Mikey de Wildt : How to Survive People discovering your Plugin
The link to the whole page can be found here http://wordpress.tv/event/wordcamp-melbourne-2013/
Also, the slides are up on Speaker Deck as well!! https://speakerdeck.com/wpaustralia