My other annoyance is with the "classic interface" (the STW/MTW style Minimal UI) for battles. In RTW (not sure about M2TW) this autohides itself which is unnecessary. It would be better to have it always visible. I found that when clicking near the horizon to order a unit the interface would keep popping up instead, forcing me to reposition the angle of view.
Bring up the menu during a battle and edit the 'UI Options' - you can change that