Hey guys,
I just found this affordable Dell 4K monitor on sale, it comes with an 27" IPS panel with 4K resolution, two HDMI 2.0 ports and one DisplayPort 1.2, even two 3 watt speakers.
There is also a S2721QS which is hight adjustable for $511.20, and 32" curved one with VA panel S3221QS for $675.35.
Good comments over at reddit talking about color coverage. Link here
Comments at OzBargain talking about 4K at 27" & the stand (this version can do tilt only). Link here
Use code 'SUPER7' for an extra $30.40 off (extra 7%) = $403.86