A few weeks ago, a member of the Instructional Technology Forum asked about HTML 5 vs Flash and I have been on a hunt ever since. I have been trying to upgrade my HTML skills, which were getting a little rusty.
Along the way I ran into the jquery library and I intend to work alot with it in the next year.
I have some links to demo projects, comments etc:
JQuery educational app
45 application uses
Not quite there-api