ok, so I ended up in Cancun - in an all inclusive. first time I've ever done this type of thing.
1. on the one hand, great beach, great weather, great pools, the sea is fantastic, basically sitting around with the family all day, going from beach to pool to nap, to meals, to sitting on the porch smoking a cigar, and then starting over. a bar with frozen well margaritas every 20 feet or so. can't be bad.
2. on the other hand - the vast majority of the people in the hotel are americans who have never been out of the states, aside from to these "all inclusive" place in the caribian. the service is pretty bad - on christmas day we had to ask maybe 5 times to have our room serviced, and it only happend at 7 pm, we had to argue to get the two conecting rooms we reserved, etc. the food is lousy, but very good for the kids - basically pizza, hamburgers and fries, fruit at every meal.
I've never taken a vacation during christmas week before - and we reserved pretty late, so this was the best we could do. we are paying about $10K for 2 rooms for 2 weeks. last year, off season, we got a much nicer place in CArtegena, with much better service, for about half that, non- inclusive - so if you added meals and food it was about the same, but for christmas week it would have been maybe twice what we are paying for the room now.