Created attachment 489631 [details] the editor with just the content section expanded The article editor looks crowded and there isn't a reason to try to squish things up above the fold here. A little more padding between things will make it feel friendlier.
Created attachment 489633 [details] the editor with both sections expanded The editor with both the description and content sections expanded.
David also has a drawing: http://www.flickr.com/photos/djst/5163845921/
Whoops, wasn't part of 2.3.