G-Form has unveiled its new Extreme Portfolio case for the iPad and iPad 2. Like the company’s prior Extreme Sleeve for iPad, the Extreme Portfolio case is made from the company’s RPT composite material, which is both water-resistant and said to absorb over 90 percent of the energy of an impact, while stiffening to offer further protection. Other features include selective reinforcement with polycarbonate, added RBT in the corners, an…