For anyone interested in seeing WF2 implemented in mozilla.org code, I invite you to read and comment on http://wiki.mozilla.org/DOM:Web_Forms_2.0 . Please bear in mind this is intended as an internal design document, and this is very much a first draft - so it will change!
-- "The first step in confirming there is a bug in someone else's work is confirming there are no bugs in your own." -- Alexander J. Vincent, June 30, 2001