Innopocket's EliteFoliio ($199) is certainly the most expensive folio-style case we have seen so far for the iPad 2, its price driven up by the material it's made from: carbon fiber. Rather than the faux carbon fiber leather and plastic approximations seen on a number of competitors, this shell is the real deal: extremely thin and light, it is composed of a rear shell and front cover, attached by a large (and somewhat kludgy-looking) plastic hinge.…