It's not just contracts on pricing that Apple is dominating, it's the actual production capacity of the chip makers.

"Digitimes reported Wednesday that Apple recently placed an order of 50 million 8Gb flash chips that it plans to use for that iPhone thing you might have heard about, and therefore the rest of Samsung's customers will have to wait for their chips."

http://news.cnet.com/8301-13579_3-9983117-37.html

So if you're scrounging for NAND on the open market, you're gonna get screwed on price. It's not just Moto that's feeling the pressure.