Apple's iPhone 4: Thoroughly Reviewed
 

Straight on it looks like just another iPhone. You get the black face with a shiny trim. From the side it is the redesign that Apple has needed for a while now. It’s not revolutionary but it’s the type of improvement that makes its predecessor feel old. And that’s exactly what this does.

http://www.anandtech.com/show/3794/the-iphone-4-review