As noted in our review of the Verizon iPhone 4, the new model’s ring/silent switch has been moved a few millimeters down the side of the device due to antenna changes, resulting in incompatibility with some prior, closely-tailored iPhone 4 cases. As such, a number of companies have released compatibility information on existing cases, or otherwise made slight revisions to existing designs to accomodate both models. Listed below, in alphabetical…