Rumours that Apple is working on a bigger iPad have resurfaced this week, thanks to a report from China which suggests Apple could launch a bigger iPad as soon as March. Chinese site PadNews cites sources who have "learned from Foxconn" that Apple is working on a tablet with a 11.4in or 12.9in display that could be ready for release in spring 2014. At present, Apple's iPad Air sports a 9.7in display, while the iPad mini has a 7.9in display. This is not the first we've heard about the possibility of a bigger iPad. In July, The Wall Street Journal claimed that Apple was testing "larger screens" destined for a new 13in iPad. Barclays Capital analyst Ben A. Reitzes said in October that Apple's move to a 64-bit architecture with t