EDIT: damn browser froze and I lost a significant amount of work. Gar, that's put me off it until at least tomorrow.
Well, since you asked (not that you have yet, but I'm sure you would have in the future if I hadn't answered you now), I
had pretty much completed the first section of RuptureFarms, and was about to start on the Stockyards. Now, though, I doubt that'll happen for a couple of days.
And Slag: is it possible to get every goal in your level? There appear to be numerous intersections with stars down each path.