This place is superb depending on what you get. Having grown up and spent 16 years in Taiwan, I stuck with the dishes that made me nostalgic for home; Notably (stewed meat over rice), (beef noodle), (fried dumplings) and the (scallion pancakes).
I can easily say that I enjoyed the food and that most of the food was as close to authentic as I've had outside of Los Angeles and New York and other cities with really large expatriate Taiwanese populations. The beef noodle found a little portion of my stomach that had not been satisfied in the 7 months since I left Taiwan.
My only criticism about the cooking was that the scallion pancakes were far too doughy. I arrived at a busy time during lunch for them and it took them a while to first notice us and second seat us, but once they'd seated us their service was spot on and surprisingly fast.
Despite this, however, the main attraction for this restaurant is the food. Speaking as a person who has been craving this type of food for a very, very long time I find it very easy to brush aside my perceived inadequacies in favor of their spectacular food; it is ultimately your choice to do the same or not.