"Micro leather" on the outside and "suede" on the inside, Roadster Writer ($100) is Logiix's new keyboard folio case for the iPad Air. Like a number of other cases we've seen recently, Roadster Writer has a plastic shell on its inner right side, capable of protecting the iPad Air and rotating for portrait orientation typing if you prefer that over landscape typing. While the shell isn't detachable from the folio, the large chiclet-style Bluetooth…