Ben Hammersley points to a splendid version of his talk at last year’s reboot done by Andre LaRanche — it even comes with a tutorial.
It’s the slides from the presentation on the semantic web synced with the slides — powerful stuff. And the videos from the conference shouldn’t be lost. I believe they still exist as BitTorrents — if not, I’m sure I saw the original cds containing all the good stuff on a shelf the other day.