EK Ekcessories is now shipping its new Dri Cat waterproof case for the iPhone 4 and iPhone 4S. The Dri Cat is a hardshell case that uses a “silicone shield” to allow for use of the device—including the rear camera—while encased. Other features include a snap-together design and an integrated lanyard or strap with carabiner clip. EK Ekcessories’ Dri Cat case for the iPhone 4 and iPhone 4S is available now and sells for…