My favorite pho restaurant! Been going here for years and it is one of the best and most authentic pho restaurants in the city. Prices are probably the best in the city and portions are big. The only place you can still order a medium bowl for less than $7, and they've got 4 sizes (small, medium, large and XL!). The vermicelli dishes are also excellent and they don't skimp on the meat either. For less than $10 you get 2 meats where as other places make you pay extra for additional meat. Their viet meatballs (nam neung) for the vermicelli is excellent. Same for the rice dishes, excellent portions and for less than $10 you will be full.
Tip - ask for beef on the side for the pho and you'll get a little more than if they were to already put it in for you, and the beef won't be over cooked and chewy.