Apple offers four different storage sized options for the new iPad Air and Retina iPad mini, ranging from a paltry 16GB to an enormous 128GB - literally 8 times the capacity! Every step up in capacity, however, comes with a matching $100 step up in price. That might seem like a pretty straightforward bit of math, but it really isn't! Figuring out how much storage you really need, and how much you can afford is really important. It's the difference between a great experience and a lot of frustration. So, here's the deal!