New Google Analytics Site Speed

Google just recently released a new version of Google Analytics and it has some new features to track including Site Speed:

http://www.google.com/support/analyticshelp/bin/answer.py?hl=en&answer=1205784

I would like to integrate the tracking of this in my site. Any ideas how we can do that with the Google Analytics plugin? Where to put the new paramaters?

Thanks for your help.

~Jeff