We were taken by local friends and loved it. Chinese food, if not cooked well, tends to be greasy. Moon In Moon food is delicious and not oily. Even the Crispy Aromatic Duck was not oily - there was more duck meat than duck skin which is unusual in Chinese restaurants.
The duck in orange sauce was delightful - the sauce was perfect, and did not taste like a manufactured over-sweet sauce. Another great example to the quality of the food.
The eat as you like menu is vast, and enables sharing loads of dishes together. It was under £20 per person, so great price too, especially as the quality of the food is high.
The staff are mixed: some are friendly, some are grumpy - but it is super fast service regardless and we had no issues with the service at all.
Parking on the road was tricky but there is a parking lot a 5 minutes' away, free. Price is acceptable, for 4 adults, including drinks and starters (no puddings) we paid slightly over £100.
Highly recommended, great Chinese food.