Skech's latest case for the iPad 2 is its Booklet ($45), a take on the familiar folio design. Available in two different styles -- one fully covered in faux leather, the other mostly made of quilted nylon -- Booklet zips closed to protect the tablet when it's not in use. Inside, the iPad 2 is held in place at its four corners with faux leather and elastic bands, over a lining of soft fabric. There's a small loop at the upper-left side for use as a…