I think perhaps you must misunderstand me.
Yes DIV and SPAN are by far the best tools
for clustering content in a general application.
But this is not a general application,
we have pre-existing container elements (nodelets)
which will not be disappearing, and so it
seems it would be most effecient to refer to
these than add addiotional elements.
Yes, we should definitely take advantage of labeling the existing container classes. The issue I see is popping open the source code to the page is that these container classes aren't implemented as containers. There just a few table cells here and there. Nodelets aren't even their own tables, but rather table rows in the larger table. I'd love to see something like: