[encore2097]

Havent seen reviews but its $575. Pixel density seems pretty low @ ~ 157+ ppi vs Apple 27" Retina @ 217+ ppi

28" UHD LED CrystalPro 4K 60Hz DisplayPort, HDMI/MHL, DVI Monitor (Picture In Picture |Picture By Picture) - Black / Aluminum Bezel

http://www.monoprice.com/Product?c_id=113&cp_id=11307&cs_id=...

[markbao]

For comparison:

  28" 4K monitor (above) - 157 ppi
  24" 4K monitor         - 184 ppi
  15" MacBook Pro Retina - 221 ppi

Source: http://www.idownloadblog.com/2014/07/26/4k-monitor-retina-ma...