There's not much time left to catch Paris/Vienna art collective Superamas at On the Boards (through Saturday, 8pm, tickets $24/$12 under-25). The performance group is billing (happy/end) as the third installment in the BIG trilogy, but trust us, having seen the first two won't help you. Our friend arrived a little late and as we were walking out asked, "So...did they tell you what the message was in the first five minutes?" They didn't. But......