http://www.crn.com/news/components-p...phics-card.htm
The GTX 480 is the fastest GPU currently on the market and the GTX 580 is even faster," said Justin Walker, product manager for Nvidia's GeForce line, in an interview. Walker estimates that the GTX 580 offers a performance boost of 20 to 35 percent over the GTX 480.
Maybe a surprise yet in store with the bulk of reviews this coming morning?