Twelve South still makes some of our all-time favourite iPhone cases, so we were particularly happy to see that the company had iPhone X versions of its entire lineup ready for the iPhone X right on launch day. All of the same cases we’ve come to know are here, from the venerable and unique BookBook ($60) to the elegant Journal ($70) to the more minimalist RelaxedLeather ($50), the latter of which is also now available in a cool and exclusive…