God unarmed weapons? Power Fist, my unarmed skill is 15 and it's still excellent, if you really want a good unarmed weapon, get the ballistic fist, I think Caesars guards have it , but you can also buy it from
Spoiler some Brotherhood of Steel member from the BoS bunker in Hidden Valley
.
As for special, I always put Intelligence first, but Endurance would be important for unarmed, because it increases your max amount of health and increases your unarmed skill, but Agility is also important if your gonna use VATS alot.