Whether you actually want one is another question. I've seen a few reviews now on the 240hz panels and people seem to suggest that if you're a pro CS:Go player playing with sub 10ms ping, then **maybe** it's worthwhile. For everyone else it's fairly questionable. Any vaguely demanding game won't get anywhere near 200fps whatever system you have, so it's really only of benefit for less demanding games, which tend to be e-sport titles.
Whether you actually want one is another question. I've seen a few reviews now on the 240hz panels and people seem to suggest that if you're a pro CS:Go player playing with sub 10ms ping, then **maybe** it's worthwhile. For everyone else it's fairly questionable. Any vaguely demanding game won't get anywhere near 200fps whatever system you have, so it's really only of benefit for less demanding games, which tend to be e-sport titles.