Here is some of the material covered in the Google workshop at Hong Kong University:

Home


Presentations:
Google Docs
Google Maps, Google Earth, Google Sites


Helpful Google Educator sites:
http://www.google.com/educators

http://www.google.co.uk/schools

Google for Educators Discussion Group

Google Apps for Educators

Google Docs blog
http://googledocs.blogspot.com/


Google Maps and Earth blog

http://google-latlong.blogspot.com/


Videos:
"Docs and Spreadsheets in Plain English" - YouTube video:
Testimonial video from teachers and principals in the U.S.:


Google Sites:

Unofficial resources on Google Docs and Spreadsheets created by other users(The content listed here is not created by Google)
Google Docs for teachers:

How to build forms/surveys:



Tom Barrett has some excellent practical examples on his blog ICT in my Classroom
(You may have to search for them.)
He also has a fabulous presentation on Ways and Tips for using Google Earth in the Classroom.

Here is a direct link to the Google Tools postings of a Google Certified Teacher from the US.