The awesome and handy A List Apart web site has just undergone a transformation. It's now AJAX-capable and sitting on Ruby on Rails. Sexy. Zeldman even expounds on what they did.
You know, just when I think I'm starting to catch up, the industry leaders speed ahead again into new, cool things that I just don't have the time to dabble with, dammit. But bless 'em, without their efforts, I'd still be writing HTML code like back in the Netscape 4.7 days, so it's good to see innovation, even if you're only watching from the sidelines.