OCIA.net has posted their review of the SGP Ultra Slider Crystal Series iPhone 4 Case

The iPhone has been a mega hit for Apple and has brought them back to relevance in the eyes of millions. Since its June 2007 launch date, Apple has been hard at work to put an iPhone in the hands of consumers worldwide and earning a nice chunk of the market share in the process. The obvious winners here are Apple and AT&T, but the overwhelming success of the iPhone also means big business for aftermarket case manufacturers. Names like OtterBox and Griffin are among the pack leaders but there are hundreds of other less known manufacturers bringing their products to market.

  SGP Ultra Slider Crystal Series iPhone 4 Case Review