For those interested, Dan has posted the audio for the talks at BSDCan 2011:

The audio recordings for BSDCan 2011 are now available.

You can find them all listed here:

http://www.bsdcan.org/2011/audio/

Each talk in the schedule has a link to its audio (if available).
That is, find the talk in the schedule, and there will be a link to
the corresponding audio.

For example, at http://www.bsdcan.org/2011/schedule/events/256.en.html
you will see a section titled ‘Links’ and a link labeled ‘audio’.