Indeed we had the chocolate melting cake several times! The recipe was included in the Behind the Fun tour.
Monetezuma has retreated to Mexico probably in search of another gringo!
We found the Freedom to be very easy to get around. We really enjoyed the Serenity Deck. No kids,bar on deck, and 85 degree warmth! Oh yeah!
I did not dine in the Sun King Restaurant, but I wished I had. It was part of the ships tour. They use only prime cuts. People I talked to said the steaks melted in your mouth!
I have not cruised on the Valor, but I know it's the same class as the Freedom. A friend told me their specialty restarant was the finest he had seen.
I did not book another cruise on the ship, but I did buy a $100 certificate that I can use on a future cruise, and Carnival will give me $100 in onboard credit. Not bad.
Hope this helps. Have fun on the Valor!