It it not. GLquake is the OpenGL version of Quake. Directx and DirectDraw are not 3d formats. You then go on to mislead people by saying that 3dfx is somthing on a video card. 3dfx is the company that makes the VooDoo chipset.
Next time try to do a little more research before writing an article.
Or make sure what you are writing is what you want to say. I'm not in favor of companies charging as much as they can for as long as they can. Companies who are in it for the long haul need to take care of the customer as well as themselves. Beyond that, retailers who want to should be able to offer sale prices without vendor interference.