IMO, 7" is a better form factor for e-reading (at least for novels, as opposed to magazines or textbooks). Holding an iPad in one hand is possible, but becomes

IMO, 7" is a better form factor for e-reading (at least for novels, as opposed to magazines or textbooks). Holding an iPad in one hand is possible, but becomes tiresome quickly. I suspect they're intended to compete with Kindle-type devices as much as the iPad, and their size creates also creates a nice differentiation point, up until Apple makes an "iPad Mini" or somesuch.