(a) for the File tab: make it possible to collapse the IR Browser and move up the Advanced Settings and IR graph,
(b) for the Reverb tab: move the Advanced Settings and IR graph upwards into the unused space,
(c) for the Filter tab: move the controls, the Advanced Settings and IR graph upwards into the unused space.
. . .
. . . 
Big pics:
http://i.imgur.com/Mn9VyCD.png
http://i.imgur.com/Os9k5z0.png
http://i.imgur.com/Nnkb8py.png
