Ipad 3.0 designs

please select the innovation that you consider the best. to see my options i have created these drawing please click on the links to see the google drawing designs

we are making a survey to find out which design is better for you

prototype 1:same design for ipad 2 but a improved audio and harder protective shell https://docs.google.com/drawings/d/1ObY8Vquyb-BVg5q-y8cLDy4QjIIK5PsfVajTtHbAOwA/edit

prototype 2:A bigger screen with speakers on all corners,a touch sensor volume control, a kick stand and battery replacement hatch on the back with the charger https://docs.google.com/drawings/d/1o30ccab31YnZQ-fRObIvrC3G7v4Emf0vRn6xqlSCn8I/edit

prototype 3:two bigger speakers on bottom sides higher resolution on screen, a volume SLIDER and battery replacement hatch on back https://docs.google.com/drawings/d/1T-ycNDL3o6yqUO_adQ-zdO3JmqSnI9S9XJCNEbaXdcw/edit

prototype 4:

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