I am shopping for a new car, I'm married, with a one year old, and we are thinking of having another child in 1 or 2 years. I've test driven a model S for a day, for me, I love it. It's safe, fast, good looking, the attention this car gets is just amazing, a guy ran all the way from across the street just to ask me what car it is, how much is it, etc. But, everytime I put son to the car seat I always need to bend and I have to be very careful not to bump my head, and the seats are not very comfortable, and it's not roomy. Once we have 2 kids it will be a little small for the whole family. I agree the trunk space is huge, I actually tested it. I can put a stroll in,plus 2 luggages(one big, one small) and 2 big boxes. So we thought Model X is better, however, I'm concerned about the timeline, they say they will delivery the car in late 2016 if I reserve now, but based on what I've learned, 70% they will postpone, also it is really expensive, with 7 seats, premium speakers, autopilot, it's easier to hit 100k+, I just can't accept paying 1500+ a month for a car, plus, Model X is fairly new, I've sure there will be a lot of issues about the car, although they have 3 years experience of making model s, I think it's wise to wait for 2 or 3 years, for the technology/production to mature. I'm sure there are people out there with the same dilemma, just want to see how they figure it out on which one to get.