"Learning Tools Smackdown ~ Teacher-librarian and technology educator practitioners will share their ideas relating to effective practice in use of 2.0 tools to deliver the mission that resonates well with ISTE's NETS*S."
One of the hottest sessions at ISTE 2010 this year was the annual free tools smack-down hosted by SIGMS. This site lists some of the free tools that were particularly interesting. You can also find the video for the smackdown session here: http://www.istevision.org/viewsession.php?id=149