You seem to love chronographs, so if you have decided it is going to be one of those three, the 5070 is a great choice. It sure gets a lot of love everywhere it is discussed and it is a watch with outstanding presence. I'm not a lover of the world timers because (1) I very rarely travel internationally and (2) what about daylight savings? Personally, I prefer calendars to chronographs, so if I had to pick between the two I would get some kind of calendar--in your price range a 5146. But actually, you could probably get a 5140 for about the price of a 5070, and that would be my first choice.