Love this place, because I can get my homemade tofu jigae fixin' and my giant tubs of kimchi! They sell Korean groceries here; the meat selection is huge. They also have a hot-food stand in the back where you can order a la carte, or you can buy one of the store's refrigerated prepared foods and ask the kitchen to cook it for you (for instance, the stand doesn't sell bulgogi, but you can buy prepped raw bulgogi and they'll cook it). I've had the stand's tofu jigae and it's not great, so perhaps stick with the prepped foods?
They have a lot of prepped or frozen food. Don't be scared by the foreign labels; I can't read Korean but the ladies at the registers are always game to translate for you.
As far as prices go, they are fair for Korean markets. I've been to more expensive places in north Phoenix.