Full article

Oculus Rift starts to arrive on doorsteps starting Monday 28. However is your machine ready for VR?

You'll need at least a Nvidia GTX 970 or equivalent to be able to run VR at the recommended 90 fps.

Personally, I was waiting (and hoping) for the latest card from Nvidia with its new PASCAL GPU or the Polaris GPU from AMD, both of which promise double the performance over current generation cards.
In scouring the internet and a few contacts, we won't see these cards in their desktop form factors until at least the middle of the year.
So if you want amazing VR when your new Rift or Vive device arrive on your doorstep, you need today's technology.

If you want to go high end, then it boils down to either a Nvidia GTX 980 Ti or AMD Fury X.
Both cards are priced around the same in the $6xx range with the 980 Ti on average 10% faster on 1440p benchmarks over the Fury X. The Fury X is a self-contained liquid sealed setup requiring you to remove and replace the fan in the rear of your case. Both cards are pretty quiet with the 980 Ti running silently when not gaming.
Therefore, from a pure performance per dollar standpoint, it makes sense to go with the Nvidia 980 Ti. But is it that simple? Of course not, this is technology!

Let me tell you a story, once upon a time...
OK, not that kind of story, however upon upgrading from my GTX 780 to a shiny new GTX 980 Ti it was not the geeky bliss I had hoped for.

Read more about my problems with the Rift and HDMI