If you have a penchant for bling—and the money to match it—the unabashedly gaudy ($99) might float your boat. Billed as the world's first Swarovski frame case (read: bumper) for iPhone 4, the BlingFrame is crammed with more than 500 Swarovski crystals, which fully cover every bit of the case. It also comes with a front screen protector, back glass protector, and a microfiber cleaning cloth which, presumably, is not coated with shiny crystals.

Gecko's new cases ($20) offer basic, affordable polycarbonate protection for your device. The is a frame/bumper case with raised edges that help protect the front and back of your phone from drops. The is a silicone case that provides full-body protection against scratches and bumps. The Glove also features Gecko's unique Gecko Grip for a comfortable feel and non-slip footing for your phone on any surface.

Griffin has teamed up with online T-shirt retailer to release a ($35). Threadless is known for its hip, witty, user-submitted shirt designs, and the company has transferred some of the more-popular designs to Griffin's new cases. The cases themselves are rigid-plastic shells that easily snap on and off your phone, providing impact and scratch protection.