Voted for a bayonet, twice recently I've seen a situation in game that called for it. Once in an EVO game where someone went round a corner and literally ran into an enemy soldier, and in a mission game the other night where an enemy ran out in front of a section commander and he had the choice of either firing and possibly grotting his scout who was in the line of fire, or waiting until it was clear. He sensibly chose the latter and unfortunately one member of team got hit before he could brass up the sneaky enemy bod.