For Domains with ‘enable pre-release features’ checkbox disabled in the Administrator Control Panel:

The following new feature is now available to these domains:

Gmail: Desktop notifications for email and chat. These are HTML5 desktop notifications which display pop-ups whenever a chat message or new email arrives.

The following new feature is intended for release to these domains on February 15:

Google Docs: Refreshed Documents list.

Editions included:
Google Apps, Google Apps for Business, Government and Education

Languages included:
All languages supported by Gmail
All languages supported by Google Docs

For more information:
Desktop notifications: http://mail.google.com/support/bin/answer.py?hl=en&ctx=mail&answer=1075549
Documents list: http://googledocs.blogspot.com/2011/01/refresh-to-documents-list.html
Documents list getting started guide

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