According to spong.com, "senior development sources" indicate that Microsoft have gone with ATI for the next Xbox. (Qroach, I know you won't believe this.)
[reliable inside source]
Wrong, it is SiS Saber Ultra Infinium Pro Super-extreme edition 3D North bridge + Ultimate Xdude South Bridge + VIA C15 65bits (1bit more than 64bit CPUs) 5GHz C/V/GPU.
[/reliable inside source]
Wrong, it is SiS Saber Ultra Infinium Pro Super-extreme edition 3D North bridge + Ultimate Xdude South Bridge + VIA C15 65bits (1bit more than 64bit CPUs) 5GHz C/V/GPU.