The best price for HP P24 G4 23.8in is $209.00. This is presently the cheapest offer found from comparing prices from 10 shops in New Zealand and one overseas retailer.
Response time is measured in milli-seconds (ms) and represents the time it takes for one pixel to go from active (black) to inactive (white) and back again. Needed to adapt to the constantly changing image on the screen. The lower, the better.