Of all of Apple’s major product lines, it seems like none has been the subject of such intense debate and scrutiny over the last decade as the iPad. Can one do “real work” on it? Is it a computer replacement? Will it some day replace the Mac for all our computing needs? While products like the Mac and the iPhone have always had a clear role in our technology lives, the iPad’s place has been more ragged around the edges. It fits into the gaps in our lives, solving problems that neither the iPhone nor Mac are quite equipped to, but without supplanting either. Still, for all of that, the iPad has…