im thinking between these
LG 19" L1932TQ

* Ultrafast 4 ms response time
* 1400:1 contrast ratio; 300 cd/mē brightness
* 1280 x 1024 maximum resolution; 160° horizontal and vertical viewing angles
Samsung 19" 931BF

* Super-fast 2 ms response time
* 2000:1 contrast ratio; 300 cd/mē brightness
* 1280 x 1024 resolution
OR
Samsung 20.1" 204B

Ultrafast 5 ms response time
*20.1" LCD screen
1600 x 1200 maximum resolution
*0.26mm dot pitch
Im a gamer so which one of these 3 monitors will be the best for me? Anyone else recommend any other brand besides these?