What Should I get Benq XL2420Z 24'' or XL2411Z 24''?

[systemat1c]

What Should I get Benq XL2420Z 24'' or XL2411Z 24'' would a $100 more be worth it? and what would be the difference between the two monitors. thanks in advance

 

[systemat1c]

This is for FPS gaming. which one would you guys prefer?