Today(July 20) on the Google Enterprise blog, we announced that we're beginning to roll out user policy management, which will allow Google Apps Premier and Education Edition customers to customize which users in their domains have access to each application in the suite.
One of the top-requested features from businesses and schools who want to try out Google Wave is the ability to pilot the application with a subset of users. With this new feature, Google Apps admins can now start by enabling Wave for a group of advance testers. For example, at a K-12 school, admins can now enable the service for just teachers and older students, or a large enterprise can turn it on for a specific project group first.
If you're already a Google Apps Premier or Education Edition admin, you'll start seeing the 'Organizations & users' tab in the control panel over the next week. And to learn more about Google Wave for your domain, visit http://www.google.com/apps/intl/en/business/wave.html.