From the website:
WriteOnCon is an Online Children’s Writers Conference (rated MC-18, for Main Characters under 18 only) created by writers, for writers.
When: Tuesday – Thursday, August 10 – 12, 2010
Who: That’s the best part—it’s for EVERYONE!
WriteOnCon is an online writer's conference for kidlit writers. Registration started on July1st, 2010, and runs from August 10th through August 12th.
Here's a link to the FAQ page, and here you'll find a list of this years presenters (including Editors and Agents).
Visit WriteOnCon website for more info and to register.
WriteOnCon Childrens and YA Writer's Conference