Travelers will find it hard to find a truly bad dining experience along Mexico's Pacific coast, since the view is usually superb and the fish fresh-caught. Figuring which eateries are the best comes down to degrees of goodness — a mix of ambience, quality of service, coldness of the beer, vantage point on the beach and an indefinable feeling of balance — that for an hour or two, there's no place on earth you'd rather be.