would be cool if it were possible to move the middle bar, separating the attribute's name and its current value(s), while in edit mode. Given clever mouse position deteciton, i'm sure it wouldn't come in the way with when you try to move the attrui box. Because it can be slightly time consuming to switch between edit and locked to clean an interface (but maybe less so than writing a forum post about it ?..).
i even made screenshots to explain :