It's up again now..
51 karma · joined June 24, 2011
BrowserStack (another browser-in-the-cloud provider) has an API [0] which would make this task quite easy. Just add another build step with a script that POST to /browser that contains the URL of the Buster server. (They also have tunneling support.)
[0] http://www.browserstack.com/automated-browser-testing-api