A really good DOM discussion...

Via the Web Standards Project, I just discovered Douglas Crockford's "Theory of the DOM" (this is part 1). I've just sat down and watched part one, and it's great - succinct and clear, and helps to clarify a number of issues in your mind.

Too cool for school - contextual ajax comments

I haven't played about with this too much, but this set of Wordpress meets Yahoo UI comments from Jack Slocum is simply too cool for school. I like it because it gets away from the web page as a document model - and moves towards content chunking ("I'm interested in this bit, thank you")...