Touchscreen controls are nice for some applications but, until someone invents transparent fingers, they're a real bother for gaming. Many, including Apple, have toyed with the idea of putting the touch sensitive sections on the back of the device, and we have strong rumors coming out of Gamescom this week that this is the path Sony is taking for its next-generation PSP. Now, we've been hearing various rumors about this thing for just about as long as we've known about the first-gen PSP, but Sony is said to be quietly showing
