Google announced the Analytics Data Export API some days ago, thereby making it much easier to get analytics data for a site. The API debuted with Java and Javascript client
Check out my post location here: http://www.akamarketing.com/blog/103-introducing-google-analytics-api-with-aspnet-c.html
It's not using the built in library you mention but it's working pretty well. The whole API is XML/HTTP so it's pretty handy to use. You basically ask Google for a webpage and examine the response for what you need.