Possible to remove sliding animation?

I think that the animation is very helpful: it is "suggestive", i.e. it accents the fact that you're working with a hierarchy.

Unless/until more people agree with you, I'm marking this as won't fix.

> It sometimes seems unnecessary and might be better if it just appeared right where it belongs.
+1

+1 It would be nice to have animation as an option, not mandatory

+1 :) http://drupal.org/node/654750