Is not about gaming hype machine, is about GPU asisted rendering, integrating as may features of mental ray onto nVidia Gelato render engine to make a viable alternative to CPU only render.
...is such a wide and complex kettle 'o' fish that when any chip company says they have a h/w ray-tracing solution you have to ask 'Oh yeah - what aspects of ray-tracing do you cover?

RT ray-tracing is currently just marketing hype for the ignorant and will remain so for quite a few years yet.
Is not about gaming hype machine, is about GPU asisted rendering, integrating as may features of mental ray onto nVidia Gelato render engine to make a viable alternative to CPU only render.
download hypershot at www.bunkspeed.com/hypershot
no doubt amd/ati will try and counter this move by doing something daft like buying Ageia.

...is such a wide and complex kettle 'o' fish that when any chip company says they have a h/w ray-tracing solution you have to ask 'Oh yeah - what aspects of ray-tracing do you cover?

RT ray-tracing is currently just marketing hype for the ignorant and will remain so for quite a few years yet.
that ray-tracing might be the next big thing, so bringing in some experts will help them prepare.