Zen Coding
Download Squad has a quick review, with video, of Zen Coding (Google Code project page here), an extremely well-thought-out accelerator for anyone who codes HTML. Its syntax is CSS-like. Zen Coding has been around for a while — here's its author Sergey Chikuyonok's introduction in Smashing Magazine from last November — and it has now picked up support for more than a dozen editing environments, including Notepad++ and TextMate.
Is there a better commentary on the west's general inability to grok zen than our endless bastardization of the word, zen?
ideopath @ play
Please keep your SQL and HTML separate. Don't punish those who will come after you.