(Feel free to add, delete, modify, etc.)

Google Applications for Education
http://www.google.com/a/help/intl/en/edu/index.html#utm_medium=et&utm_source=catch_all

Google for Teachers
http://www.docstoc.com/docs/32006875/Google-for-Teachers

Google Tools Tutorials: Free Technology for Teachers: Richard Byrne
http://www.freetech4teachers.com/p/google-tools-tutorials.html

Google Apps Lessons from the Classroom
http://www.freetech4teachers.com/2010/03/webinar-google-apps-lessons-from.html