Ajaxian ยป HTML5 Drag and Drop in deeetail
http://ajaxian.com/archives/html5-drag-and-drop-in-deeetail#comments
Aww, shucks! "Les Orchard isn't just a cool domain name. He is a person. A person who has done a great job detailing HTML 5 drag and drop that you can use today in Firefox 3.5."