Originally Posted by TiG 
Surely the way graphics cards have leaped on huge amounts over the last few years isn't sustainable as a business model?.
I don't think that we are seen bigger leaps than in the nVidia vs 3DFX days to be honest. And nVidia ended up the winner despite their very aggressive product cycles. Yes they have released more product in the last 18 months, but those were mostly variations of the 8800GTX.