The launch of the new Google Search Appliance was announced by Google in many places. Unfortunately, most of the links return the 404 error code.
Google Enterprise Developer Community features OneBox modules from Oracle, SalesForce and Cognos. Only Cognos link works.
Google Press Release links to http://www.google.com/enterprise/onebox that also doesn't work.
Google Enterprise Blog talks about a video that doesn't exist yet:
"Take a peek at this video to hear some of our partners talk about why they think a Google search box is a great way to reach their applications."