The newest addition to Speck's line of iPhone 4 cases is CandyShell View for iPhone ($40). Like most of the CandyShell cases, the outside is made of hard plastic -- matte black, in this case -- while the inside is lined with soft rubber. Unlike earlier versions of CandyShell, however, there's very little give around the edges, so getting the iPhone 4 in and out is somewhat difficult. As before, the volume and Sleep/Wake buttons are covered in…