Actually, I do not have too much expectations when I fly economy as the crew members is not able to give their attention to every passenger.
Foodwise, I am just happy if they give me ice-cream for dessert and instant noodles as snack. So I am a fairly easy to please passenger.
But personally, I think SQ has really one of the best Inflight Entertainment programs. I am particularly fond of their choice of non- and old- Hollywood movies.