Nvidia to buy AgeiaPC gaming going south fastBy INQUIRER Newsdesk: Tuesday, 05 February 2008, 12:38 AMNVIDIA SAID it is to buy up 3D physics firm Ageia.In a statement, chief Nvidian Jen-Hsun Huang reckons his outfit, "can now bring Geforce-accelerated Physx to hundreds of millions of gamers around the world."The sound of hundreds of millions gamers yawning followed.According to INQ hack Charlie Demerjian: "If PC gaming wasn't already headed headfirst into the toilet, this is a mighty strong wiggle of the handle."Quite.