I would also recommend going to the PPRuNe forums to look at some of the Emirates postings there. A large variety of people. I decided against it. Cost of living is high, but also housing problems if the price goes up, the company will just move you rather than pay the higher cost. Main reason is that the upgrades are non-existant and whatever aircraft you are initially given, you are stuck in. There is apparently no aircraft type movement. You get stuck in the 300, that is your new lifelong friend.
There is some really good info here in the previous posts, just make sure you do a lot of research. Good luck to all that go.