I have three iPhone cases, but none of them protect the screen. Actually, most iPhone cases out there protect everything but the display, due to the iPhone's special multi-touch display, which only works when you use your fingers. Somehow, Case-Mate got around this, and created the Naked Case for the iPhone and iPod Touch.

The company calls this the world's first touch-through case because it completely covers the device including the screen. Apparently, an electrostatic membrane across the device passes electrical pulses through to the touchscreen, so you can still use the screen while it's behind the acrylic case. The case has cutouts for the volume, power, home, and ringer buttons so you do have full access to all the controls. The Naked Case retails for $35, so if you've been looking for a case that protects the entire iPhone/iPod Touch, check it out because this is probably the only one out there that can do this.