Apple today unveiled its new iPad, an iPhone OS-based slate tablet computer capable of running “almost all” of the apps available in the App Store, as well as new apps tailored specifically for the device. The iPad physically resembles an oversized iPod touch, with a 9.7-inch, 1024-by-768-pixel screen dominating the front and a black bezel surrounding it. The back is made from a solid piece of aluminum, with a 30-pin dock connector and…