Re Dubai, don't go via Ramadan, they shut all restaurants in malls, on the street for the whole day and it makes getting out for a full day difficult since you are not allowed to eat or drink in public. Not even water to not be offensive. Hotels will have limited restaurants open during the day for in house guests, though you will still eat behind a curtain or screen to be polite.
Burj al Arab is interesting, but there are better things to spend your money on in Dubai, all of them pretty contrived. We stayed for 5 days on the way to East Africa last August, we did have cocktails at t