Standalone Digi CoreAudio Driver is here!!!
There is finally a standalone Digidesign CoreAudio Driver Availabe!
http://www.digidesign.com/download/coreaudio/tiger/
Just in case you're having problems, according to the FAQ:
Q: How can you avoid distortion and audio sync errors when using Logic Audio with the Digidesign CoreAudio Driver?
A: In our testing, we found that Logic will not play audio properly through the CoreAudio driver until you go into the driver preferences, and manually reset the buffer size to another setting (it defaults to 512, and it can be switched back to 512, but it needs to be set to another value first). if you don't do this, Logic plays the file back with distortion and you will eventually get an audio sync error. Once you've manually changed the buffer size, this problem goes away.