BENQ has V2 firmware at gaming.benq.com/downloads.
To install V2 Firmware on your BENQ Z-Series monitor (XL2420Z, XL2411Z, and XL2720Z), there are now detailed step-by-step instructions to install V2 firmware. Early feedback is very positive (better than LightBoost):
Forum post by LogicElite:
“The monitor is now flashed !! and the utility is just AWESOME !!”