Cool stuff to check out:

Did You Know? 4.0

100 Best Websites for Free Homework Help

All About Computers: Web 2.0
Great compilation of resources from CDWG and Discovery Education.

ListenToYouTube.com
Turns YouTube videos into MP3 files

Mango Languages
Great way to learn a language online. Need Multnomah County Library card number to access.

Myna
Web-based audio editor

The Power of Blogging

Teachers.tv
Through engaging videos, practical resources and an active online community, Teachers TV supports the professional development of anyone working in school, enabling them to widen their skills, develop their practice, and connect with others in the field. Based in the UK.

Wallwisher
Great free communication tool that uses sticky note interface where you can embed links, video, etc.