I heard of three good options depending on playstil and pvp or pve stil.
a.) +4 STR +4 DEX -8 CON for pve...
b.) +4 DEX -4 CON to be fast in pvp is always good esp. against archers cause BDs don't have shields
c.) +4 STR -4 CON mor efor pve but is also good for pvp