I visited Noodle Bull twice during my visit since our office was in the general vicinity and we needed quick(ish) food.
This is a trendy looking noodle spot and was busy during both of our visits. However, we had a rather large group, and were still seated pretty quickly.
I know my ex-pat colleagues enjoy this spot as the one was clearly a regular. He also was very helpful in telling us what to order. I tried two different noodle dishes - I think one had pork and one had steak. Both were surprisingly delicious and flavorful, though somewhat difficult to eat with chopsticks (I'm ok with them, but soup is hard - try it!). The meat was nicely seasoned and they listened when you tried to explain how hot and spicy you wanted your dish.
Service was friendly, and while this wasn't super fast dining, it still is a relatively quick spot for healthy and fresh food with a kick (if you want!). Reasonably priced.