Has it been two years already? Yeah, it has been, and SLI is still on the lips of every enthusiast. While ATI also offers their own dual video card solution, CrossFire, it still hasn't taken off as well as Nvidia's SLI. But has SLI lived up to the promises and the hopes set for it years ago? NGOHQ ponders that very questing, as they take at look at Nvidia's marketing masterpiece.