That Samsung one has an average DeltaE of 2.5, white balance at 6700K which is bluish but close to 6500K and a contrast ratio of 2.5~3K which is better than IPS or TN. No doubt the screen will look way better.
But it comes with higher response times and if you're super competitive it might be noticeable.
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Plasma is pretty much dead. The next thing will be low-persistence OLED which is basically the same as Plasma conceptually. Even the problems are exactly the same!