I quite liked LHR-PVG I took last year (albeit on the 77W). It is an early afternoon departure from LHR which allows lunch in the CCR. On board there are a fair few hours of daylight (if you don't fly in winter) and time to enjoy the service. There is also an opportunity to try to sleep overnight so you don't feel like a wally changing into the PJs! Whether PVG is your cup of tea is another thing!