Pho Rex is pretty mediocre. Really 2.5 star but I will round up.
It's a "Viet-Thai" place located smack in the middle of Korea Town. I was so sick of Korean food one night that we tried this place instead.
Pho Rex is twice as big as any other restaurant in the area. As a result, it always looks empty, even if there are 4-5 tables of patrons. It has been refurbished inside and the decor is pleasant and clean. You can see the cook at work as there is an open kitchen space at the back.
The menu is entirely predictable. Pho, bun (vermecelli) and rice dishes as well as pad thai, green curry, mango salad and your other usual "Viet-Thai" menu items.
I tried the wonton soup. Lots of MSG in that bad boy. I must have drank 2 liters of water after I got home. The soup was decent but nothing noteworthy. My friend had a bun bo dish which is the standard vermecelli, bit of salad stuff, topped with stir fried beef and a spring roll.
Meals are generally under $10 dollars. Servers are VERY friendly (big smiles) but they seem to move slowly. Food took awhile despite the place being fairly quiet.
Overall, not terrible, but not very special.