See update, below
Update: apparently OLPC is still negotiating with Nigeria, and the deal has not been finalized. I’ve been unable to confirm this on the OLPC site, but apparently Brazil, Argentina and Thailand are in negotiations as well. If they get 1 million laptops as well, OLPC is only 1 million away from being able to ship.
OLPC news confirms that Thailand is engaged in analysis of the benefits of the program…