The XB271HU is available for around £500.
The XB271HU is significantly less accurate than the PG279Q and XV272, as well has has inferior overdrive with more overshoot than the PG279Q. If an owner of a G-Sync compatible card G-Sync>G-Sync compatible, and all of the AHVA panels have faster pixel response times than the Innolux IPS. Sadly none of the true G-Sync AHVA panels aside from the discontinued ViewSonic XG2703-GS came close to matching the preset color accuracy of the best Free-Sync AHVA/Innolux IPS, and and all but the PG279QZ are 3-4 years old and due for
unannounced replacements.