Visitors to the Rice Village will literally be inundated with Thai restaurants. If you are trying to choose between them, my limited recommendation is Thai Spice. I say it is my limited recommendation because I only recommend it highly between 5:00 and 7:00 p.m. During these two hours there is an early evening special which consists of three courses plus rice for $7.95. With the exception of the desserts (which range from passable to nasty), the food is outstanding (as good as any Thai food in Houston) and the restaurant has a more elegant ambiance than any of its local competitors. I have found that, for an appetizer, most people prefer the spring vegetable rolls to the winter cheese rolls (this may have to do with the climate in Houston or the fact that the spring rolls are a healthier option). However, both options are tasty. I have found all of the entrees that I have tried so far to be excellent.
However, after 7pm, all items must be ordered a la carte from the menu so you can expect to pay $15 which is still not a bad deal, but not the incredible bargain you get if you arrive before 7:00. Lunches, however, are served buffet style and are not very good.
In a nutshell:
Early dinner: highly recommended
Late dinner: recommended
Lunch: not recommended