NVIDIA Buys AGEIA
 

Now the question becomes how will this move by NVIDIA affect the end products they bring to market and ultimately how will it affect the consumer? It's probably safe to say that an integration of PhysX technology with GPU architecture is firmly on NVIDIA's roadmap, though we likely won't see the fruits of those efforts inside of the traditional 9 - 12 month development cycles seen in high-end semiconductors.

http://www.hothardware.com/News/NVID..._TECHNOLOGIES/