Uniq Creation's Essensual ($39) is only the second iPad mini case we've seen to incorporate a hard shell and Smart Cover-style lid into one unit; it's the first to replicated the iPad mini Smart Cover's three column setup. Available in red, blue, or black, the faux leather lid folds into a triangular stand for viewing or typing, but relies on the weight of the tablet to hold it together, not magnets. There are, however, embedded magnets to lock and…