looks like Oct. for the luanch to be a bit more then likely
http://www.forbes.com/2006/08/18/nvidia-0818markets10.html?partner=yahootix
Interesting about the margins, its a bit vague but maybe the g80 isn't on .9?
http://www.forbes.com/2006/08/18/nvidia-0818markets10.html?partner=yahootix
Bear Stearns expects Nvidia's competitive lead in desktop GPUs to remain "firmly intact." The company's next product, the G80, will launch ahead of the competition. The next generation of GPUs should boost margins by 1% to 2% over current products.
Interesting about the margins, its a bit vague but maybe the g80 isn't on .9?