Nice PC for around $400, aww yeah.

http://pcpartpicker.com/user/baconbeef21/saved/dNDPxr

With this, you can play most modern games in 1080p, this is fantastic considering most console games usually don't go above 900p. While an XB1 is selling around the same price, but also keep in mind the advantages you have when you have a pc build. It would also cost a lot less in the long run due to upgrading and not having to pay for a subscription.

Linus show some benchmarks of this card, Bioshock infinite runs 1080p ultra at 70 fps