I think you're talking about soup dumplings. I like Joe's Shanghai (despite what all the naysayers on this board will say, they're still good). Another decent place is Shanghai Cuisine (not as fatty as Joe's).
hey just be aware ya'll, New Green Bo is changing to Nice Green Bo. Is that considered good news for the 'downhill alert!'-types? or perhaps bad news for the 'NGB is the best!'-types? anyone, interesting stuff going on: