ChrisBall: Sadly, I actually played this move over the board, in http://kgs.kiseido.com/games/2004/9/28/wicket-Kosai.sgf. Astute readers will notice that the position's been shifted; it was played on from a 4-4 joseki in the bottom-right corner.
Wouldn't it be better to have a Get Strong at Ko-Date page?
Yes, we definitely need a comprehensive ko-dating manual. Then we can all master the "wanna go see a movie? I'll cut your group if you don't" tesuji...