I admit I haven't played it either, as I'm busy enjoying ED. I had played X2 and X3: Reunion, and reviews have mentioned X4 is a modernized version of the best features of both of those, however still greatly unpolished. And I often wait, sometimes years later with a good price drop before trying a release I'm not entirely enthused about. Also, I had already built a bunch of factories and the remote controlled fleet of cargo and resource transports in X2 and X3, so I've been kind of tired to do the similar gameplay all over again in X4.