The week in iPhone 4 cases: Kickstands, batteries included

It's been a couple months since the iPhone 4's release, but that hasn't kept the case makers from releasing case after case of form-fitting, impact-resistant protection for your shiny new phone. Though Apple is offering a handsome selection of free cases for the iPhone 4--which we've reviewed for your convenience--here's a quick look at some of the new kids on the block. (You can see our coverage of previously announced cases in our first case roundup and second case roundup.)