Somehow this unassuming place in a strip mall in Arizona is one of the better Thai restaurants I've been to. I've been here numerous times, and each time the food is consistently delicious. One of the best Pad Thai dishes I've ever had, and most of the curries have had have also been quite good (save the Green Curry, of which I've had better)
Like most good Asian restaurants, you should come here for the food and not the decor/ambiance/service/whatever. On my last visit the decor appeared to be in the process of being updated from it's previous hole-in-the-wall look, but wasn't quite there yet. I've never had a problem with the service -- they're very friendly and efficient but they don't fall all over themselves for you either, which is fine with me. I believe it's a family run operation, so keep that in mind.
It's not a high-end place, but if you're after good Thai food you won't go wrong here.