#1. Including a Link is generally a good idea when asking about a specific product as monitor naming is very confusion
This Monitor?
#2
thats a 8ms TN panel type (Iso 8ms, less than 178 viewing angles, relatively low constrast for brightness level (450/280))
Having no personal experience with the monitor
It should have fairly decent response with a maximum somewhere between 20-25ms to a minimum at ISO specification at 8-12ms. Many people are not bothered by response times abover 30ms (actual, not the reported specs), and many more are not bothered if response is less than 20ms. Some are however bothered by any response time over 8ms (and there are no LCDs that can deliver this consistently)
There are better screens out there for gaming, but there are also significantly worse screens. The viewsonic VA721 is the middle to upper middle for this purpose.