I am looking into buying a new PC. Dell offers a Physics accelerator, Is ti workt it?

Has anyone had any experience with the AGEIA® PhysXTM physics accelerator? a href="http://www.dell.com/content/products/productdetails.aspx/xpsdt_410?c=us&cs=19&l=en&s=dhs&~tab=specstab" rel="nofollow"http://www.dell.com/content/products/pro…/a