Just in case there are other people in here who don't really love the process of exporting EVERY clip they want to have at a different speed... I found this tonight, after screaming at Color a bunch of times.
http://docs.info.apple.com/article.html?artnum=306566
Hopefully this is a priority for an upcoming update.
http://docs.info.apple.com/article.html?artnum=306566
Hopefully this is a priority for an upcoming update.