Reasonably good are the Squid, Anchovy and Tiparos brands, though some of Kasma's students find Tiparos a bit fishy. You can also try the premium Vietnamese Three Crabs brand. Taste several and choose your own favorite. This site also has Kasma's articles on How to Make Fish Sauce and Using Fish Sauce to Flavor Food . The brand she uses is Lion and Globe from Hong Kong.
Preferred brand is Golden Phoenix.
See Kasma's article on jasmine rice. Golden Phoenix Brand, Butterfly Brand, and Sanpatong brand are all good. See Kasma's Recipe for Coconut Flavored Sticky Rice with Mango. Preferred brand is Pantainorasingh in 8 oz. Mae Ploy brand is also good.