I knocked this together after seeing the news about the [new Apple iPhone](http://www.apple.com/iphone/) coming out this June.
Scale Comparison of iPhone to [RAZR](http://www.motorola.com/motoinfo/product/details.jsp?globalObjectId=69) and [SLVR](http://www.motorola.com/motoinfo/product/details.jsp?globalObjectId=86):
Scale Comparison of the thickness of the same three phones: