For 1080p 60fps is adequate for most games. Other than Witcher 3 which made me go down a few settings.
But I wanted to upgrade my monitor to a IPS 144hz but they all seem to be 1440p which will need a beefy card. Maybe I should get the monitor and take the performance hit and wait until 14nm cards ?
I went that route. Went to a 1440p monitor partly to get more usable space for apps, and will either reduce details on my 970 or possibly run at a lower resolution. Then upgrade the GPU next year or the year after.