Many of those attending had built games for nonprofits (including the World Bank!), and some represented organizations such as IBM that are interested in the idea.
The portion of the discussion that I felt I could contribute was this: what can games do for a non-profit? Nancy Goldstein phrased the issue this way: many remember having to teach organizations the difference between a blog and a press release. Many remember organizations that simply published press releases on blog, a colossal failure and a missed opportunity to engage people. So what can a game do that a press release cannot do?