Cruised on Ventura and Azura before and this year we tried the flagship Britannia.
Food was considerable better on Britannia than above mentioned other 2 ships. But we expected good food as it was a Marco Pierre White cruise - he joined only in the last port - Gibraltar.
Our inside cabin on Deck 12 was adequate, comfortable and clean. Entertainment overall excellent - especially the Headliner`s Once Upon a Time show. The dancers were talented but the singers not so. The Entertainment manager Neil was absolute fantastic - we enjoyed the pool parties, sail aways, the flamenco program on Lido Deck in Barcelona day. The Cookery Club was something new and unique, I and my 8 year old daughter participated the chocolate cooking and we really loved it.
However the children club Reef program was well below the P&O standard we use to on Ventura and Azura: sometimes boring, unimaginative and some of the reef rangers did not show interest towards the kids.
We enjoyed the Lido Deck, the pools were clean, always found sun lounger or chairs. The only complaint I can raise is, that some of the bar staff was rude and selective of what drink they want to serve. The preferred to serve only alcohol, even mornings, and several times when I asked for freshly pressed orange juice - which was available in one of the pool side bars - the bar waiter said it is not available. So I just woke up from the sun chair, went to the bar, pointed to the pile of fresh orange and the juicer machine - and the bar tender made the juice for me. This happened to me few times and one matured bar steward even wanted me to change my order from fresh orange juice to Pepsi Cola - I guess it is easier to serve and the price is same. I really would love to see more healthy drinks to be available on a school holiday cruise!
Midship inside cabin. Large enough for 2, well appointed, plenty of storage. Better quality pool towels required. Interactive TV would be an advantage, for example to order room service on the TV or to see my onboard account balance etc.