One or two observations from a trip to Medina Elvira in Feb 2008 (sorry it's taken so long to post).
Firstly, the size of the development. It's HUGE. The nice lady in the Peninsula office told me there could be as many as 2,500 apartments in total. During peak season, that's anything up to 10,000 people. And ONE golf course. Now, I accept that not everyone plays golf, but you can squeeze maybe 350 people around a golf course in the height of summer, so there's going to be a fair few disappointed.
Secondly, skiing in Sierra Nevada. After looking around the Medina development, we drove there for a weekend's skiing - it took about an hour and a quarter. Nice place that any competent skier can get around in a couple of days, and of course very sunny. So sunny, that the south-facing slopes were already pretty bare (this is mid-Feb, remember). The skiing on Friday was good, but when we woke up on Saturday morning there was a queue 4 abreast around the town to get on the lift... only 45 minutes from Granada, you see. It took an hour of shuffling along in our boots with all our kit and a bored 8-year-old. Of course once you got up the mountain, there was a queue at every lift and crowded pistes. On Sunday, the whole resort was closed due to high winds, which is not something I've experienced anywhere else. So on the whole, it's nice, but stick to weekdays.