Illuzion’s design is as simple as it gets, a sleeve for holding an iPad 2 when it is not in use with a flap that keeps the tablet secure inside. All of the models feature a textured, floater style leather rather than the flat, smooth kind used by Beyzacases in Wave. While the differences are small, Illuzion feels a little less sturdy and substantial than its considerably more expensive competitor. Of the versions we tested, all but one features…