It's not quite the definitive proof that some boxes spotted in the wild would be, but a tipster has sent us a few pieces of a puzzle that seem to suggest that Apple could be expanding the iPad's retail presence into Target stores just in time for the holiday shopping season. That includes a list featuring a mysteriously unnamed product that's set to become available on October 3rd (in six different versions, no less), and a series of images from a Target PDA (like the one pictured above) that seemingly show that the item numbers match