An article at GeForce discloses that at GDC 2012, Epic Games had on display the famous Samaritan demo... running on a single new GPU. Originally, the jaw-dropping demo was powered by a trio of GeForce GTX 580s. This year, it's running on a single 'Kepler' NVIDIA graphics card. That means that the days of playing games with visuals of that caliber is rapidly approaching the PC platform.