PC Gaming Week: The evolution of PC graphics will blow your mind

PC game graphics through the yearsFrom Ultima Underworld to Doom, Far Cry and Metro: Last Light, the PC has led the gaming world in graphics since the 1980s, when the last Silicon Graphics workstations were hunted to extinction by the wild-eyed tribe of Carmack. Since then some PC games have pushed boundaries like no others, requiring all-new graphics hardware; others have made cunning use of existing tech to create stunning experiences.But there's always been a relentless chasing of that cuttin