Yes, the 5K Retina iMac's screen runs at 60Hz at 5K resolution | Ars Technica
2000 open source bounty by TestUFO inventor] All 5 distros should use stutter-free KWin (+variants) by default. · Issue #56 · tildearrow/kwin-lowlatency · GitHub
Looking for a great gaming monitor with no motion blur | Page 2 | Overclock.net