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=...