Around 18 million iPad devices were sold in Q4 according to a consensus roundup of 61 analysts. According to the report, around 18.38 million iPads were sold in the quarter. If this number is accurate, then it is a 60% increase year-over-year. Apple will likely face stiff competition from the Microsoft Slate tablet coming on October 26th. The iPad Mini is expected to be announced tomorrow. The iPad Mini will likely be priced at the premium cost of $329.