Well I'm sure lower end cards will spawn form the high end crop, just like ATi and nVidia do, they first need to prove they can actually make a powerful card. Real time ray-tracing as I understand it would have immense lighting advantages over the current method they use. Things like reflections and refractions look a lot more realistic when ray-traced. Just look at those Pixar style 3d animated movies, they are all ray-traced, albeit not in realtime. It supposedly uses massive calculations to ray-trace even one frame, so whether Intel gets it right is not sure just yet.