Gran Turismo creator Kazunori Yamauchi has announced that the series' next racing title will arrive later this year, with a demo scheduled to appear this July, ahead of a holiday launch. Expect a heady 1,200 cars to make the new edition, with 33 locations (and 71 layouts) to drive them around. Polyphony Digital has developed a new game engine for Gran Turismo 6, one that "pushes the limits of the PS3," but the in