Leaked images by anonymous sources have reached the web, revealing what appears to be a touchscreen version of Microsoft’s Zune portable media player, dubbed the Zune HD.According to enGadget, not only do the images seem to represent a marketing campaign for a new player, and a high-definition one to boot. Technologizer has also confirmed that the Zune HD is somewhat smaller than the iPod Touch, with competitive capacities. The interface would be touchscreen, with the Zune Pad replaced with a single button as