The cards based on the new AGEIA PhysX processor will start sampling in Q3 2005, and when they appear in retail in Q4 their price is supposed to be between $249 and $299, according to X-bit labs report from E3 show in Los Angeles, California.
http://www.xbitlabs.com/news/multimedia/display/20050520034045.html
LOL. I would have paid $79=99, with a top end of $150 if it made a simply *amazing* difference in games. Not a chance I'm paying $250+