Rather than cutting enchants in half for one handed weapons why not simply suppress enchantments in the offhand the same way that poisons suppress enchantments. If you are dual wielding and use poisons, both of your enchantments are suppressed by the poison. This solves the 1 hand and shield issue as that is then untouched. Then the only question is 1 full strength enchant more desirable than 2 half strength enchants or not. This also balances enchants more with poisons, at least to the point that only one is allowed no matter the weapon type. Thoughts?