Come here for the soup dumplings, which aren't the best ones I've had, but are solid. And you can get them at all in Toronto, whereas they seem to be missing here in Berlin.
Anyway, the bottom line is. Soup dumplings: YAY! Other dumplings: Yay! Scallion pancakes: ok. Speed at lunch: reasonable. So maybe it's all nostalgia, but 4 stars.