Proporta has rolled out its new line of cases for the Apple iPad. The Mizu Shell is a silicone and crystal case, offering a form-fitting design, cut-outs for access to all ports and controls, and a soft touch finish. It comes in three colors and sells for $38. The Aluminium Lined Leather Pouch is a simple sleeve-style case offering a soft faux fur lining, leather exterior, and a sheet of lightweight aluminum built-in to offer added screen protection.…