Well, that insane ASUS MARS II card we got to feast our eyes on back in June has finally started rolling off the assembly line. That means it's time for the hardware fanatics and gaming freaks to start putting them through their paces. HotHardware said the dual GTX 580-packing card was "quite simply the fastest single graphics card we have ever tested, bar none." And everyone else seemed to agree. Now, obviously there are drawbacks -- the 3GB card is an absolute power hog (requiring 600-watts all by itself) and insanely pricey at $1,499. You could even buy three s
