Skybound aviation-based sequel to World Of Tanks is gaining some momentum now, as the World Of Warplanes website appears. It just contains a snippet of information and a bunch of screenshots so far, but we’ll be expecting to learn much more about the game come GamesCom next week. For my part, however, I am not expecting this to be quite as outrageously popular as World Of Tanks, with its millions of sign-ups. I think it’ll do okay, but there was something just right about a purely tank-based game, which I am not sure will be true of air-war…