What make you believe that you need 2 ms response time?
2 ms = 0.002 seconds
1 frame / 0.002 seconds = 500 frames / second
60 frames / second = 1 / 16.7 ms
There is no application associated with human vision that requires 500 frames per second refresh. The 8 ms response time of the UltraSharp U2311H is fast enough for gaming.

