I put this also to the beta forum
I think the problem that automation curves are not in sync with audio is currently the worst and most serious problem in Ableton Live. Because I have fought with it now for at least 3 years I made a Youtube video for to really people see how at least I experience this problem.
Does there still exist any kind of solution? Check the video below:
http://www.youtube.com/watch?v=VFFBA8G3uxg