It is fantastic. I was there in February and had such an amazing time. I can't comment on the kids den as we had a swim up room, but as far I'm aware they are similar to the ones in Turkey in that the kids rooms is a totally separate bedroom.
There is a thread on the holiday-truths website that has all you could ever need to know. In fact the hv's all have their own thread in each of their respective forums.
If you want to know anything else please feel free to ask!