Yes, yes: we know the official English-language prefix for “eight” is “octo,” but you have to agree that octa just sounds -and looks- a whole lot better. And based on Samsung’s choice of spelling on the box that just rolled into our office, the company agrees with us. Besides, admit it: after a week spent watching us dissect the quad-core American variant of the Galaxy S 4, you’re hankering for a peek at its Exynos-powered eight-core sibling, no matter how we spell ...