accelerometer chips to provide the motion sensing functions of the Wii Remote, or that companies who manufacture accelerometers are clamoring to get their devices into the controller, thus ensuring a constant demand for their chips. Nintendo is currently looking at samples sent from many different manufacturers.
According to a Nikkei Tech-On! article, one of the companies, Kionix, may make it possible to increase the sensitivity of the accelerometer's motion-sensing. Nintendo has yet to make any decisions. "It is difficult for manufacturers to be selected as a new supplier," an employee of a sensor company told Nikkei.
[Via Gadget Lab]