The rumors for quite a while have said that the Retina display on the new iPad mini would cause supply shortages for its release; and, Apple CEO Tim Cook even admitted that there may not be enough supply to keep up with customer demand this Christmas. A new leak of a Target product page is giving some indication of what Apple is doing to mitigate the problem...Source: http://www.phonearena.com/news/Target-lists-November-21st-for-iPad-mini-Retina-release_id48895
