Nested Sortable Lists with jQuery

I have not yet delved into this, but I have found some promising resources:

http://www.tripwiremagazine.com/2010/03/17-jquery-plugins-for-easy-and-efficient-reordering-and-filtering-page-elements.html

http://dev.sencha.com/deploy/dev/examples/tree/reorder.html

http://plugins.jquery.com/project/NestedSortable

http://plugins.jquery.com/project/listsort