Last week saw the "Immersive Learning Environments" conference and EDUCAUSE has a great resource page on the conference. There are a variety of resources for each of the sessions on the main page: podcasts, videos and powerpoint presentations are all there.
I've loaded the conference podcasts into my PDA and they should keep me busy most of the week. Here's the direct link to the podcasts. I enjoyed Richard VanEck's presentation on game-based learning and his slideshow.
Great resources... enjoy