Early balance scales--first seen in Sumeria about 9, 000 years ago--consisted of two weighing pans attached to either end of a beam, which sat delicately balanced on a central pivot.

FORBES: Magazine Article

Why would anyone pay probably twice the asking price of the PS3 for additional features that appear to begin and end with "rigid beam construction"?

ENGADGET: Why would anyone buy a Blu-ray player (other than the PS3)?