Belkin's APEX360 Advanced Protection Case for iPad mini ($70) is quite different from most folio-style cases on the market. The unusually thick rubber shell is made to stand six-foot drops, with air pockets inside adding to the durability. A detachable magnetic lid is included, and can come on and off easily. Because it rotates, the cover can be used as a stand in either landscape or portrait orientation. There's no opening for the second microphone…