My friend and I were in the area kinda late and there were only a few things open (one of them being Bach Yen).
Beef pho, Spring Rolls and Nuong
Everything was okay, but not really the best Vietnamese cuisine I've had. The nuong was okay - the fish sauce was pretty good. Interestingly enough, it was kinda busy on a Tuesday night (but that might be because it was the only thing open late in the area), so we had to wait a bit for one waiter to take our orders were taken and serve our food.