At $299, Ageia’s card is expensive. Admittedly, enthusiasts are used to paying a lot for their cutting-edge gear, while in this case the actual value that the card offers games has yet to be seen. Graphics cards sold today support HDR rendering and pixel-shader effects, the benefits of which are easy to see in countless screen shots published everywhere on the Internet. However, most people do not know what the advantages of Ageia’s physics card are.
If you are still unsure whether the PhysX is worth it at this point in time, maybe this article will help. It appears the PhysX has really odd behavior during lan play, and they have the video to prove it.