The production sections on:
idmforums.com
dubstepforum.com
Are really good, maybe you don't want to produce dubstep but the basic concepts still apply. Its all the same stuff across genres, applied differently. Read the stickies too, tons of good information in those.
Those aren't really ableton-specific, just general production gabber, sound design, theory, whatever.
Alex_G posted up a bunch of ableton tutorials in the DAWs cult, check it out:
https://www.newschoolers.com/ns/cult/forum/cat_id/6339/