btcchina.com seems to be picking up momentum.
Also, BTC is $144.55 vs. $121 here.
arb opp?
Good for arbitrage, yes.. but don't speculate on BTC based on China price; The China price tends to just follow the Gox price, only a bit higher. Usually when Gox falls, China does too. I wouldn't necessarily view it as a sign of significantly higher demand in China.