Brenthaven has posted details of its upcoming 5-in-1 case for the iPad. The 5-in-1 is a two-sided hardshell case offering protection for both the front and rear of the iPad, a slot in the front cover that allows it to function as both a viewing and typing stand, an included headrest strap system for hands-free use of the iPad in a car, and an integrated handle for a secure grip. Brenthaven’s 5-in-1 case for the iPad is now available for pre-order…