I'ce added a link to the recently update elearning guideines and another that sets out some ways to experiment with Web2.00 tools. They are both in the Finding resources section in this Rauemi page.
I hope you find them interesting.
"Assuming that your students will pick up a new
technology on their own is a recipe for disaster.
You must also be explicit about howyou want
them to use these systems to avoid them going
off in the wrong direction."