My wife and I went there for dinner on a Tuesday evening, and the place was empty (although I guess that's normal for a weeknight). The service and decore was OK- not the greatest place or as nice as I expected from their website, and our waitress was prompt but didn't refill our drinks.
I had their shrimp pad thai, which was one of the better pad thais I've had in Pittsburgh. There was enough to take home for lunch, so the price wasn't too bad since it was a decent portion. My wife had the steamy mussels, which were good, but she got sick on them later which was bad.
The menu is expansive with lots of tapas available, and while I didn't try anything else, the food I saw at the table nearby looked good.
I'm giving this restaurant the benefit of the doubt that it is usually better- everyone I talked to raved about it before we went. I would go there again if I was in the area and wanted Thai food, but I wouldn't go out of my way to stop there.