Conroy9 nice link
80 number is reported directly by intel, not just notebook forums
It's not a hard number to imagine, this is last years promised chipset, the laptops were all desinged and ready and waiting for intel to get off it's delaying silicon but months ago:
Intel's Sonoma launch coming Jan. 19
ComputerWorld - Jan 11, 2005
Approximately 80 notebook PCs based on the system will begin ... Co., Dell Inc., IBM and Toshiba Corp., Intel said ... The total number of Sonoma systems is expected to ...