They did ship just prior to the Retina models with Nvidia graphics which many found to be more stable and better performing; the one on my desk has a 4g 780m ch

They did ship just prior to the Retina models with Nvidia graphics which many found to be more stable and better performing; the one on my desk has a 4g 780m chipset having moved off the 6870ATI set I had earlier. I guess its one of those back and forth battles between the two little guys and Intel. Intel never has offered an integrated system with any gaming performance but it does not seem many care.