I just posted the updated slides from this talk, and there is also an updated live cdrom on the Alioth server. Also, it looks like the tutorial will be held again at UseR 2009 in Rennes, see here for a brief synopsis.
It was nice to get back to Canada, even if it was a 24 hour whirlwind trip. Ottaws looked quite pretty in all the snow. And it seems that I got rather lucky with the travel dates as both the days before and after my trip had a large number of flight cancellations and delays due to snow storms.