Apple is all set to host WWDC 2010 and in a few hours world will see the first official preview of iPhone 4G / HD. John Gruber had already mentioned about Magic trackpad, Now Engadget has posted pictures (which seem genuine) of a first unit of the device. The design resembles the Apple Keyboard, but instead of buttons is a touch-sensitive surface. As seen from the pictures and names – an external trackpad, which will provide users with iMac, Mac Pro, MacBook older models all the capabilities of the controller, ...