I've always loved Ay-Chung noodle house. I usually get their signature noodle soup with chitterling but you never expect chains to be good at each location, I was very pleased to get authentic Taiwanese food in Las Vegas.
All of the dishes we ordered were prepared very well:
Porkchop rice
Oyster pancake
Fried calamari
Sweet potato fries
Iced Coffee - delish!
Beef Noodle soup.
All worth trying, and price wise? - SUPER cheap. If you're ever on a budget in vegas, drive down Spring Mountain Road and find yourself in "China Town" pick a place, any place. But I definitely recommend Ay Chung!