Smart Quote Devilry
It's been fun to watch Mark Pilgrim enjoying the time saving benefits of the plugins I've written lately. It's even popped up on the Daypop 40 (in spite of the title including the phrase "regular expressions" no less)! Daring Fireball was inspired to take the smart-quote thing a step further. Fully documented in their post Movable Type Smart Quote Devilry. Educate your quotes.