ISTE National Educational Technology Standards (sets for students, teachers, and administrators) http://cnets.iste.org/
NetTrekker http://www.nettrekker.com
Google Microsoft http://www.google.com/microsoft.html
Google Mac http://www.google.com/mac.html
Apple Learning Interchange http://ali.apple.com/
AppleWorks Classroom Ideas http://ali.apple.com/ali_appleworks/
About This Particular Mac (online newsletter for all skill levels) http://www.atpm.com/
Mac News Network http://www.macnn.com/