Or you can thicken the plot even more after reading this part: http://www.semiaccurate.com/2009/11/16/ati-58xx-parts-delayed-bit-more/
Heh, I was waiting to see when the "Nvidia pays TSMC to break AMDs parts" theory would surface. The source is expected, Im just surprised it took this long. Because AMD selling GPUs for a few months is so horrible that it's worth risking the reputations and viability of both Nvidia and TSMC.