And this is right as the economies of miniaturization are drying up. Nvidia's 40-series consumer cards have hardly any value improvement over the last generatio

And this is right as the economies of miniaturization are drying up. Nvidia's 40-series consumer cards have hardly any value improvement over the last generation. They're just higher priced on the same performance/cost scale. That kind of stagnation will obviously slow sales since the ROI of upgrades takes longer to go positive.