Google for Educators

Is anyone using this? 
 http://www.google.com/educators/index.html 
 Please add comments or known use cases. 
 . . . 
 Presents itself as a mesh of Google offerings: Sites — http://docs.google.com/support/bin/answer.py?hl=en&answer=155427 Apps — http://www.google.com/a/help/intl/en/edu/index.html 
 Some higher education customer testimonials: http://www.google.com/a/help/intl/en/edu/customers.html