Ever wanted to be a PC gamer, but didn't want to buy a gaming PC? NVIDIA's Jen-Hsun Haung wants your number. Taking the stage at CES today, the CEO announced GeForce Now for Mac and PC -- an offshoot of its cloud gaming service aimed at prospective PC gamers. Despite sharing the same name as the streaming service, it offers to NVIDIA Shield users, GeForce Now for Mac and PC isn't a gaming-subscription service. It's a server rental program.