Mark-up tactics
Clagnut has an interesting article, similar to the one about the overuse of the class attribute within XHTML that blogged about sometime ago.
This one talks about when to use divs and ids and specially when not to use them:
Divs should only be used when grouping related elements together. For example, a typical ezine page may contain a header, story, side bar and a footer. The story will contain a heading for the page and any number of paragraphs, tables, lists and so on, so it seems reasonable to wrap all of these in a div.
