Here's a collection of great sites that I bookmarked over the summer:
KDitzler's Teacher Resources (web2.0 tools) https://kditzlerteacherresourcepage.wikispaces.com/KDitzler%27s+Teacher+Resource+Page and then her training sessions are great as well!
UDLtechToolkit: Glogster Poster that lists great resources by category: http://udltechtoolkit.wikispaces.com/
Classic Online Games: (I felt old when I saw the games!): http://thinks.com/java/index.htm
Playa Cofi Jukebox (Free Music from way back): http://tropicalglen.com/
Mr. Maffesoli's Math Page (wow): http://mrmaffesoli.com/index.html
Utah Education Network: K-2 Resources 3-6 Resources
Learn Online: Count Us In! http://www.abc.net.au/countusin/games.htm
Counting with Snapdragon! http://www.bbc.co.uk/wales/snapdragon/yesflash/how-many-1.htm
I'll post more later on as Summer Finds II.