Let's have a peek at the Keybindings, and a diagram of a PS4 controller. Looks like we may be missing a couple of buttons. Without a doubt, action groups would be ruined. I also think building in the VAB would be quite awkward. Controls-wise, KSPS4 will be lacking. Mods. Mods turn this game from great to amazing. Like another game with a large modding community that was ported to console following an official release... *cough* *cough* I've played Minecraft on Xbox 360. The large worlds (part of Minecraft's allure) are trimmed down immensely, and you have to PAY for texture packs and skins, which are free on PC. Judging by this (Best example I could find), if mods are available, they probably would end up being paid for. Probably. But let's look at the positives. This will bring wider recognition. Hell, one day I could go to my local GAME, and see KSP, in full public view, as a bestselling game, and a child picks it up. That would make me happy.