There are so many great videos out there & for the visual learner (like myself) they offer a great resource for learning. The videos include conference speakers, tutorials & demos.
Software Testing Club has collected many links to videos – this is a great place to start, either if you’re looking for something specific & want to lose a couple of hours in videos.
InfoQ also hosts many videos related to all areas of software development. These tend to be conference speakers doing their thing.
There are many other sources of videos – just try searching on testing topics in Youtube or Vimeo!
Some particular Videos which made me think: