There is no exchange program that I am aware of but since the new chipset is cheaper to manufacture I would guess that M$ will start sending back the new chipset kind to people who send in their Xbox in for warranty repair.
Now that we've thrown 'em off the trail, use the form below to get in touch with the people at Engadget. Please fill in all of the required fields because they're required.
There is no exchange program that I am aware of but since the new chipset is cheaper to manufacture I would guess that M$ will start sending back the new chipset kind to people who send in their Xbox in for warranty repair.