just a thought to spice things up a bit...
give races wield size bonuses for certain (usual/natural/whatever) types of
weapons (and of course wield size penalties)
for example:
Dwarves - bigger axes, smaller blades
Elves - bigger blades, smaller everything else
Merfolk - bigger polearms, smaller bludgeons
Orcs - bigger bludgeons, smaller blades
etc etc.