Well, I was wanting to build a pc containing a gtx 670 2gb. But wondered will this become obsolete for next gen? Will my pc struggle to even play next gen titles. The ps4 alone has 8gb ddr5 ram. The killzone demo used 3.2gb of gpu ram alone. Should I wait? I can't afford to have to upgrade to play next gen titles on pc. Should I just get the ps4?