Unless you plan on doing something about 'fighting with a main-gauche' or 2 swords, I think it is a waste of valuable screen real estate to have your  shield displayed.  It is less interesting than your helmet, which isn't constantly visible -- because practically everybody equips a two-handed weapon anyway, and thus it is empty.  I'd suggest replacing it with your favourite spell, and having an option (weapon on the right, spell on the left or vice-versa).  Magic-focused charactrers want their best offensive spell nearest their index finger, while those specialising in sharp pointy thing want a weapon, and where your index finger is depends on whether you are left or right handed.

Grävling