Apple faces a pricing quandary with its expected iPad Mini. The new tablet needs to be competitive with low-cost alternatives from Amazon.com (AMZN) and Google (GOOG), yet also fit into the pricing scheme Apple (AAPL) has established for its regular-sized iPads and its iPod Touch handhelds. Analysts had speculated that the iPad Mini, which is predicted to have a 7.85-inch display, would retail starting at $299 or less. But that was before Apple