New Zealand's got golds in women's shot put, women's double sculls rowing, and men's sailboard, a silver in men's individual pursuit cycling, and bronzes in men's team pursuit cycling, men's single sculls and men's coxless pair rowing, men's 1,500m, and men's triathlon. We're still in medal contention in two men's kayaking events, the K1 500m and K2 1,000m.
Yeah, China's the most populous country, though their one child per family policy might mean India will soon pass them.
Twenty20 would be great - it also gives cricketing minnows a real shot at going somewhere too. Don't forget about the Irish and Kenyans. As for the West Indies, they wouldn't be able to compete since its constituent countries all enter the Olympics separately, so that could make things really interesting.