Making a new group (outlining)

When I make a new group while a group is highlighted (and the list is set to unsorted), I would like the new group to be inserted right after the highlighted one - but what happens is it is added to the bottom of the list, and I need to drag it back up.

I would like to be able to make an outline while brainstorming, but this really slows things down!

Further, it would be nice if you could (via keystrokes), indent / outdent groups.

Best regards,