When it comes to sushi our tastes skew authentic. Mackerel. Amberjack. Occasionally a tuna and natto hand roll, not Christmas or Dragon rolls. Nevertheless, Gothamist remains a sucker for a gimmick. So when Sakae Sushi, a Singapore-based kaiten – or conveyor belt sushi restaurant – recently opened its first New York City location we couldn’t wait to tear open our disposable chopsticks and begin grabbing tasty morsels as they paraded down the runway. Midtown......