I like this idea of slow journalism: taking seven years to tell a story.
A great article by Hannah, focusing on the Long Web—it isn’t about the quantity of data you’re publishing; it’s the quality. This builds nicely on the article I linked to recently about digital scarcity.
This resonates deeply with me. It is worth your heartbeats.
The justification behind YSlow. If you've heard Nate Koechley speak, some of this will be familiar to you. It's all solid advice as far as I can tell.
The YUI folks have released an add-on for Firebug that will analyse your pages and suggest ways of speeding it up.