sword i think its useless its only 5% chance to hit them. Thus, i woudl rather go axe with 5+ crit chance and mace is nice too so you get rage and stun =D
You do realize that the crit bonus is reduced in pvp due to resilience. I prefer sword cause although its 5%, i also have a crit % already at 30%. That means there is the chance of getting the double hit to also crit. And my crit chance will only improve as i get better gear.
Like stated above, mace is best for 2v2 teams, but higher lvl or larger teams you want to have the extra burst damage. Especially against teams with healers.