Kepler-generation GPU power reaches to the Mainstream and Performance markets. By Robert Dow and Harrison Gorvy Nvidia rounded out their Kepler line of GPU add-in graphics boards last week with the introduction of the GeForce GTX 660 and the GeForce GTX 650. Nvidia controls 59.3% of the Desktop Graphic Add-In Board Market with its partners shipping over 8.75 Million … [Read more...] about Review: Nvidia GeForce GTX 660 and GTX 650